Home / 132,577.56-182,960.91-72,152.10

Finding the Fourth Proportional to 132,577.56, 182,960.91 and 72,152.10

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Solution

The fourth proportional to 132,577.56, 182,960.91 and 72,152.10 is: 99,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,577.56 : 182,960.91 = 72,152.10 : x
  2. Step 2: Convert to fraction form
    132,577.56/182,960.91 = 72,152.10/x
  3. Step 3: Cross multiply
    132,577.56x = 182,960.91 × 72,152.10
  4. Step 4: Simplify right side
    132,577.56x = 13,201,013,874.41
  5. Step 5: Solve for x
    x = 13,201,013,874.41/132,577.56
  6. Step 6: Final answer
    x = 99,572.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.