Home / 113,590.40-170,385.60-57,603.20

Finding the Fourth Proportional to 113,590.40, 170,385.60 and 57,603.20

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Solution

The fourth proportional to 113,590.40, 170,385.60 and 57,603.20 is: 86,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,590.40 : 170,385.60 = 57,603.20 : x
  2. Step 2: Convert to fraction form
    113,590.40/170,385.60 = 57,603.20/x
  3. Step 3: Cross multiply
    113,590.40x = 170,385.60 × 57,603.20
  4. Step 4: Simplify right side
    113,590.40x = 9,814,755,793.92
  5. Step 5: Solve for x
    x = 9,814,755,793.92/113,590.40
  6. Step 6: Final answer
    x = 86,404.80

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1.5x scale

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.