Home / 141,416.08-195,154.92-77,757.98

Finding the Fourth Proportional to 141,416.08, 195,154.92 and 77,757.98

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Solution

The fourth proportional to 141,416.08, 195,154.92 and 77,757.98 is: 107,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,416.08 : 195,154.92 = 77,757.98 : x
  2. Step 2: Convert to fraction form
    141,416.08/195,154.92 = 77,757.98/x
  3. Step 3: Cross multiply
    141,416.08x = 195,154.92 × 77,757.98
  4. Step 4: Simplify right side
    141,416.08x = 15,174,851,390.49
  5. Step 5: Solve for x
    x = 15,174,851,390.49/141,416.08
  6. Step 6: Final answer
    x = 107,306.41

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1.5x scale

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.