Home / 132,607.05-183,001.68-81,649.17

Finding the Fourth Proportional to 132,607.05, 183,001.68 and 81,649.17

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Solution

The fourth proportional to 132,607.05, 183,001.68 and 81,649.17 is: 112,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,607.05 : 183,001.68 = 81,649.17 : x
  2. Step 2: Convert to fraction form
    132,607.05/183,001.68 = 81,649.17/x
  3. Step 3: Cross multiply
    132,607.05x = 183,001.68 × 81,649.17
  4. Step 4: Simplify right side
    132,607.05x = 14,941,935,966.86
  5. Step 5: Solve for x
    x = 14,941,935,966.86/132,607.05
  6. Step 6: Final answer
    x = 112,678.30

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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.