Home / 141,713.08-195,572.90-78,050.86

Finding the Fourth Proportional to 141,713.08, 195,572.90 and 78,050.86

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Solution

The fourth proportional to 141,713.08, 195,572.90 and 78,050.86 is: 107,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,713.08 : 195,572.90 = 78,050.86 : x
  2. Step 2: Convert to fraction form
    141,713.08/195,572.90 = 78,050.86/x
  3. Step 3: Cross multiply
    141,713.08x = 195,572.90 × 78,050.86
  4. Step 4: Simplify right side
    141,713.08x = 15,264,633,037.69
  5. Step 5: Solve for x
    x = 15,264,633,037.69/141,713.08
  6. Step 6: Final answer
    x = 107,715.06

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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.