Home / 331,359.13-497,038.70-82,041.13

Finding the Fourth Proportional to 331,359.13, 497,038.70 and 82,041.13

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Solution

The fourth proportional to 331,359.13, 497,038.70 and 82,041.13 is: 123,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,359.13 : 497,038.70 = 82,041.13 : x
  2. Step 2: Convert to fraction form
    331,359.13/497,038.70 = 82,041.13/x
  3. Step 3: Cross multiply
    331,359.13x = 497,038.70 × 82,041.13
  4. Step 4: Simplify right side
    331,359.13x = 40,777,616,601.73
  5. Step 5: Solve for x
    x = 40,777,616,601.73/331,359.13
  6. Step 6: Final answer
    x = 123,061.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.