Home / 132,459.32-198,728.04-53,630.12

Finding the Fourth Proportional to 132,459.32, 198,728.04 and 53,630.12

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Solution

The fourth proportional to 132,459.32, 198,728.04 and 53,630.12 is: 80,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,459.32 : 198,728.04 = 53,630.12 : x
  2. Step 2: Convert to fraction form
    132,459.32/198,728.04 = 53,630.12/x
  3. Step 3: Cross multiply
    132,459.32x = 198,728.04 × 53,630.12
  4. Step 4: Simplify right side
    132,459.32x = 10,657,808,632.56
  5. Step 5: Solve for x
    x = 10,657,808,632.56/132,459.32
  6. Step 6: Final answer
    x = 80,460.99

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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.