Home / 99,225.60-148,838.40-88,166.40

Finding the Fourth Proportional to 99,225.60, 148,838.40 and 88,166.40

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Solution

The fourth proportional to 99,225.60, 148,838.40 and 88,166.40 is: 132,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,225.60 : 148,838.40 = 88,166.40 : x
  2. Step 2: Convert to fraction form
    99,225.60/148,838.40 = 88,166.40/x
  3. Step 3: Cross multiply
    99,225.60x = 148,838.40 × 88,166.40
  4. Step 4: Simplify right side
    99,225.60x = 13,122,545,909.76
  5. Step 5: Solve for x
    x = 13,122,545,909.76/99,225.60
  6. Step 6: Final answer
    x = 132,249.60

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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.