Home / 99,192.60-148,570.20-88,111.80

Finding the Fourth Proportional to 99,192.60, 148,570.20 and 88,111.80

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Solution

The fourth proportional to 99,192.60, 148,570.20 and 88,111.80 is: 131,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,192.60 : 148,570.20 = 88,111.80 : x
  2. Step 2: Convert to fraction form
    99,192.60/148,570.20 = 88,111.80/x
  3. Step 3: Cross multiply
    99,192.60x = 148,570.20 × 88,111.80
  4. Step 4: Simplify right side
    99,192.60x = 13,090,787,748.36
  5. Step 5: Solve for x
    x = 13,090,787,748.36/99,192.60
  6. Step 6: Final answer
    x = 131,973.43

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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.