Home / 102,206.34-141,027.21-93,938.43

Finding the Fourth Proportional to 102,206.34, 141,027.21 and 93,938.43

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Solution

The fourth proportional to 102,206.34, 141,027.21 and 93,938.43 is: 129,618.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,206.34 : 141,027.21 = 93,938.43 : x
  2. Step 2: Convert to fraction form
    102,206.34/141,027.21 = 93,938.43/x
  3. Step 3: Cross multiply
    102,206.34x = 141,027.21 × 93,938.43
  4. Step 4: Simplify right side
    102,206.34x = 13,247,875,223.53
  5. Step 5: Solve for x
    x = 13,247,875,223.53/102,206.34
  6. Step 6: Final answer
    x = 129,618.92

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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.