Home / 127,295.47-175,670.84-69,938.51

Finding the Fourth Proportional to 127,295.47, 175,670.84 and 69,938.51

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Solution

The fourth proportional to 127,295.47, 175,670.84 and 69,938.51 is: 96,516.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,295.47 : 175,670.84 = 69,938.51 : x
  2. Step 2: Convert to fraction form
    127,295.47/175,670.84 = 69,938.51/x
  3. Step 3: Cross multiply
    127,295.47x = 175,670.84 × 69,938.51
  4. Step 4: Simplify right side
    127,295.47x = 12,286,155,921.69
  5. Step 5: Solve for x
    x = 12,286,155,921.69/127,295.47
  6. Step 6: Final answer
    x = 96,516.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.