Home / 631,433.71-947,143.36-182,139.76

Finding the Fourth Proportional to 631,433.71, 947,143.36 and 182,139.76

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Solution

The fourth proportional to 631,433.71, 947,143.36 and 182,139.76 is: 273,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,433.71 : 947,143.36 = 182,139.76 : x
  2. Step 2: Convert to fraction form
    631,433.71/947,143.36 = 182,139.76/x
  3. Step 3: Cross multiply
    631,433.71x = 947,143.36 × 182,139.76
  4. Step 4: Simplify right side
    631,433.71x = 172,512,458,629.58
  5. Step 5: Solve for x
    x = 172,512,458,629.58/631,433.71
  6. Step 6: Final answer
    x = 273,207.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.