Home / 188,139.65-282,061.24-93,306.47

Finding the Fourth Proportional to 188,139.65, 282,061.24 and 93,306.47

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Solution

The fourth proportional to 188,139.65, 282,061.24 and 93,306.47 is: 139,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,139.65 : 282,061.24 = 93,306.47 : x
  2. Step 2: Convert to fraction form
    188,139.65/282,061.24 = 93,306.47/x
  3. Step 3: Cross multiply
    188,139.65x = 282,061.24 × 93,306.47
  4. Step 4: Simplify right side
    188,139.65x = 26,318,138,628.22
  5. Step 5: Solve for x
    x = 26,318,138,628.22/188,139.65
  6. Step 6: Final answer
    x = 139,886.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.