Home / 190,146.20-262,460.12-109,627.47

Finding the Fourth Proportional to 190,146.20, 262,460.12 and 109,627.47

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Solution

The fourth proportional to 190,146.20, 262,460.12 and 109,627.47 is: 151,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,146.20 : 262,460.12 = 109,627.47 : x
  2. Step 2: Convert to fraction form
    190,146.20/262,460.12 = 109,627.47/x
  3. Step 3: Cross multiply
    190,146.20x = 262,460.12 × 109,627.47
  4. Step 4: Simplify right side
    190,146.20x = 28,772,838,383.36
  5. Step 5: Solve for x
    x = 28,772,838,383.36/190,146.20
  6. Step 6: Final answer
    x = 151,319.56

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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.