Home / 129,006.10-193,509.15-97,513.30

Finding the Fourth Proportional to 129,006.10, 193,509.15 and 97,513.30

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Solution

The fourth proportional to 129,006.10, 193,509.15 and 97,513.30 is: 146,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,006.10 : 193,509.15 = 97,513.30 : x
  2. Step 2: Convert to fraction form
    129,006.10/193,509.15 = 97,513.30/x
  3. Step 3: Cross multiply
    129,006.10x = 193,509.15 × 97,513.30
  4. Step 4: Simplify right side
    129,006.10x = 18,869,715,796.70
  5. Step 5: Solve for x
    x = 18,869,715,796.70/129,006.10
  6. Step 6: Final answer
    x = 146,269.95

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1.5x scale

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.