Home / 129,669.33-194,497.11-39,712.01

Finding the Fourth Proportional to 129,669.33, 194,497.11 and 39,712.01

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Solution

The fourth proportional to 129,669.33, 194,497.11 and 39,712.01 is: 59,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,669.33 : 194,497.11 = 39,712.01 : x
  2. Step 2: Convert to fraction form
    129,669.33/194,497.11 = 39,712.01/x
  3. Step 3: Cross multiply
    129,669.33x = 194,497.11 × 39,712.01
  4. Step 4: Simplify right side
    129,669.33x = 7,723,871,663.53
  5. Step 5: Solve for x
    x = 7,723,871,663.53/129,669.33
  6. Step 6: Final answer
    x = 59,565.91

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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.