Home / 102,232.80-153,159.12-55,524.96

Finding the Fourth Proportional to 102,232.80, 153,159.12 and 55,524.96

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Solution

The fourth proportional to 102,232.80, 153,159.12 and 55,524.96 is: 83,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,232.80 : 153,159.12 = 55,524.96 : x
  2. Step 2: Convert to fraction form
    102,232.80/153,159.12 = 55,524.96/x
  3. Step 3: Cross multiply
    102,232.80x = 153,159.12 × 55,524.96
  4. Step 4: Simplify right side
    102,232.80x = 8,504,154,011.64
  5. Step 5: Solve for x
    x = 8,504,154,011.64/102,232.80
  6. Step 6: Final answer
    x = 83,184.20

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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.