Home / 245,543.04-338,891.12-181,345.78

Finding the Fourth Proportional to 245,543.04, 338,891.12 and 181,345.78

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Solution

The fourth proportional to 245,543.04, 338,891.12 and 181,345.78 is: 250,287.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,543.04 : 338,891.12 = 181,345.78 : x
  2. Step 2: Convert to fraction form
    245,543.04/338,891.12 = 181,345.78/x
  3. Step 3: Cross multiply
    245,543.04x = 338,891.12 × 181,345.78
  4. Step 4: Simplify right side
    245,543.04x = 61,456,472,737.52
  5. Step 5: Solve for x
    x = 61,456,472,737.52/245,543.04
  6. Step 6: Final answer
    x = 250,287.99

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1.5x scale

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.