Home / 132,586.85-182,966.34-72,156.19

Finding the Fourth Proportional to 132,586.85, 182,966.34 and 72,156.19

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Solution

The fourth proportional to 132,586.85, 182,966.34 and 72,156.19 is: 99,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,586.85 : 182,966.34 = 72,156.19 : x
  2. Step 2: Convert to fraction form
    132,586.85/182,966.34 = 72,156.19/x
  3. Step 3: Cross multiply
    132,586.85x = 182,966.34 × 72,156.19
  4. Step 4: Simplify right side
    132,586.85x = 13,202,154,549.32
  5. Step 5: Solve for x
    x = 13,202,154,549.32/132,586.85
  6. Step 6: Final answer
    x = 99,573.64

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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.