Home / 135,010.92-186,316.38-74,583

Finding the Fourth Proportional to 135,010.92, 186,316.38 and 74,583

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Solution

The fourth proportional to 135,010.92, 186,316.38 and 74,583 is: 102,925.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,010.92 : 186,316.38 = 74,583 : x
  2. Step 2: Convert to fraction form
    135,010.92/186,316.38 = 74,583/x
  3. Step 3: Cross multiply
    135,010.92x = 186,316.38 × 74,583
  4. Step 4: Simplify right side
    135,010.92x = 13,896,034,569.54
  5. Step 5: Solve for x
    x = 13,896,034,569.54/135,010.92
  6. Step 6: Final answer
    x = 102,925.26

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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.