Home / 132,279.80-182,547.50-71,851.64

Finding the Fourth Proportional to 132,279.80, 182,547.50 and 71,851.64

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Solution

The fourth proportional to 132,279.80, 182,547.50 and 71,851.64 is: 99,156.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,279.80 : 182,547.50 = 71,851.64 : x
  2. Step 2: Convert to fraction form
    132,279.80/182,547.50 = 71,851.64/x
  3. Step 3: Cross multiply
    132,279.80x = 182,547.50 × 71,851.64
  4. Step 4: Simplify right side
    132,279.80x = 13,116,335,980.90
  5. Step 5: Solve for x
    x = 13,116,335,980.90/132,279.80
  6. Step 6: Final answer
    x = 99,156.00

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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.