Home / 151,098.60-208,433.19-93,718.10

Finding the Fourth Proportional to 151,098.60, 208,433.19 and 93,718.10

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Solution

The fourth proportional to 151,098.60, 208,433.19 and 93,718.10 is: 129,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,098.60 : 208,433.19 = 93,718.10 : x
  2. Step 2: Convert to fraction form
    151,098.60/208,433.19 = 93,718.10/x
  3. Step 3: Cross multiply
    151,098.60x = 208,433.19 × 93,718.10
  4. Step 4: Simplify right side
    151,098.60x = 19,533,961,501.57
  5. Step 5: Solve for x
    x = 19,533,961,501.57/151,098.60
  6. Step 6: Final answer
    x = 129,279.57

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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.