Home / 141,332.44-195,038.13-80,902.75

Finding the Fourth Proportional to 141,332.44, 195,038.13 and 80,902.75

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Solution

The fourth proportional to 141,332.44, 195,038.13 and 80,902.75 is: 111,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,332.44 : 195,038.13 = 80,902.75 : x
  2. Step 2: Convert to fraction form
    141,332.44/195,038.13 = 80,902.75/x
  3. Step 3: Cross multiply
    141,332.44x = 195,038.13 × 80,902.75
  4. Step 4: Simplify right side
    141,332.44x = 15,779,121,071.86
  5. Step 5: Solve for x
    x = 15,779,121,071.86/141,332.44
  6. Step 6: Final answer
    x = 111,645.43

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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.