Home / 132,475.02-182,813.76-72,044.36

Finding the Fourth Proportional to 132,475.02, 182,813.76 and 72,044.36

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Solution

The fourth proportional to 132,475.02, 182,813.76 and 72,044.36 is: 99,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,475.02 : 182,813.76 = 72,044.36 : x
  2. Step 2: Convert to fraction form
    132,475.02/182,813.76 = 72,044.36/x
  3. Step 3: Cross multiply
    132,475.02x = 182,813.76 × 72,044.36
  4. Step 4: Simplify right side
    132,475.02x = 13,170,700,624.04
  5. Step 5: Solve for x
    x = 13,170,700,624.04/132,475.02
  6. Step 6: Final answer
    x = 99,420.26

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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.