Home / 132,569.48-182,946.22-72,140.10

Finding the Fourth Proportional to 132,569.48, 182,946.22 and 72,140.10

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Solution

The fourth proportional to 132,569.48, 182,946.22 and 72,140.10 is: 99,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,569.48 : 182,946.22 = 72,140.10 : x
  2. Step 2: Convert to fraction form
    132,569.48/182,946.22 = 72,140.10/x
  3. Step 3: Cross multiply
    132,569.48x = 182,946.22 × 72,140.10
  4. Step 4: Simplify right side
    132,569.48x = 13,197,758,605.42
  5. Step 5: Solve for x
    x = 13,197,758,605.42/132,569.48
  6. Step 6: Final answer
    x = 99,553.52

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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.