Home / 331,869.16-457,979.30-180,966.16

Finding the Fourth Proportional to 331,869.16, 457,979.30 and 180,966.16

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Solution

The fourth proportional to 331,869.16, 457,979.30 and 180,966.16 is: 249,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,869.16 : 457,979.30 = 180,966.16 : x
  2. Step 2: Convert to fraction form
    331,869.16/457,979.30 = 180,966.16/x
  3. Step 3: Cross multiply
    331,869.16x = 457,979.30 × 180,966.16
  4. Step 4: Simplify right side
    331,869.16x = 82,878,755,280.49
  5. Step 5: Solve for x
    x = 82,878,755,280.49/331,869.16
  6. Step 6: Final answer
    x = 249,733.22

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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.