Home / 129,123.23-193,677.56-40,366.27

Finding the Fourth Proportional to 129,123.23, 193,677.56 and 40,366.27

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Solution

The fourth proportional to 129,123.23, 193,677.56 and 40,366.27 is: 60,547.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,123.23 : 193,677.56 = 40,366.27 : x
  2. Step 2: Convert to fraction form
    129,123.23/193,677.56 = 40,366.27/x
  3. Step 3: Cross multiply
    129,123.23x = 193,677.56 × 40,366.27
  4. Step 4: Simplify right side
    129,123.23x = 7,818,040,145.25
  5. Step 5: Solve for x
    x = 7,818,040,145.25/129,123.23
  6. Step 6: Final answer
    x = 60,547.12

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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.