Home / 137,972.32-190,251.12-93,182.56

Finding the Fourth Proportional to 137,972.32, 190,251.12 and 93,182.56

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Solution

The fourth proportional to 137,972.32, 190,251.12 and 93,182.56 is: 128,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,972.32 : 190,251.12 = 93,182.56 : x
  2. Step 2: Convert to fraction form
    137,972.32/190,251.12 = 93,182.56/x
  3. Step 3: Cross multiply
    137,972.32x = 190,251.12 × 93,182.56
  4. Step 4: Simplify right side
    137,972.32x = 17,728,086,404.47
  5. Step 5: Solve for x
    x = 17,728,086,404.47/137,972.32
  6. Step 6: Final answer
    x = 128,490.17

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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.