Home / 136,355.94-188,010.18-93,356.28

Finding the Fourth Proportional to 136,355.94, 188,010.18 and 93,356.28

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Solution

The fourth proportional to 136,355.94, 188,010.18 and 93,356.28 is: 128,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,355.94 : 188,010.18 = 93,356.28 : x
  2. Step 2: Convert to fraction form
    136,355.94/188,010.18 = 93,356.28/x
  3. Step 3: Cross multiply
    136,355.94x = 188,010.18 × 93,356.28
  4. Step 4: Simplify right side
    136,355.94x = 17,551,931,006.93
  5. Step 5: Solve for x
    x = 17,551,931,006.93/136,355.94
  6. Step 6: Final answer
    x = 128,721.43

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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.