Home / 141,663.09-195,494.62-78,000.90

Finding the Fourth Proportional to 141,663.09, 195,494.62 and 78,000.90

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Solution

The fourth proportional to 141,663.09, 195,494.62 and 78,000.90 is: 107,641.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,663.09 : 195,494.62 = 78,000.90 : x
  2. Step 2: Convert to fraction form
    141,663.09/195,494.62 = 78,000.90/x
  3. Step 3: Cross multiply
    141,663.09x = 195,494.62 × 78,000.90
  4. Step 4: Simplify right side
    141,663.09x = 15,248,756,305.16
  5. Step 5: Solve for x
    x = 15,248,756,305.16/141,663.09
  6. Step 6: Final answer
    x = 107,641.00

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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.