Home / 99,197.60-148,577.70-88,116.80

Finding the Fourth Proportional to 99,197.60, 148,577.70 and 88,116.80

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Solution

The fourth proportional to 99,197.60, 148,577.70 and 88,116.80 is: 131,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,197.60 : 148,577.70 = 88,116.80 : x
  2. Step 2: Convert to fraction form
    99,197.60/148,577.70 = 88,116.80/x
  3. Step 3: Cross multiply
    99,197.60x = 148,577.70 × 88,116.80
  4. Step 4: Simplify right side
    99,197.60x = 13,092,191,475.36
  5. Step 5: Solve for x
    x = 13,092,191,475.36/99,197.60
  6. Step 6: Final answer
    x = 131,980.93

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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.