Home / 129,746.70-194,605.65-106,332.30

Finding the Fourth Proportional to 129,746.70, 194,605.65 and 106,332.30

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Solution

The fourth proportional to 129,746.70, 194,605.65 and 106,332.30 is: 159,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,746.70 : 194,605.65 = 106,332.30 : x
  2. Step 2: Convert to fraction form
    129,746.70/194,605.65 = 106,332.30/x
  3. Step 3: Cross multiply
    129,746.70x = 194,605.65 × 106,332.30
  4. Step 4: Simplify right side
    129,746.70x = 20,692,866,357.50
  5. Step 5: Solve for x
    x = 20,692,866,357.50/129,746.70
  6. Step 6: Final answer
    x = 159,486.65

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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.