Home / 282,761.01-390,301.23-181,060.50

Finding the Fourth Proportional to 282,761.01, 390,301.23 and 181,060.50

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Solution

The fourth proportional to 282,761.01, 390,301.23 and 181,060.50 is: 249,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,761.01 : 390,301.23 = 181,060.50 : x
  2. Step 2: Convert to fraction form
    282,761.01/390,301.23 = 181,060.50/x
  3. Step 3: Cross multiply
    282,761.01x = 390,301.23 × 181,060.50
  4. Step 4: Simplify right side
    282,761.01x = 70,668,135,854.42
  5. Step 5: Solve for x
    x = 70,668,135,854.42/282,761.01
  6. Step 6: Final answer
    x = 249,921.78

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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.