Home / 249,909.28-374,470.26-137,422.42

Finding the Fourth Proportional to 249,909.28, 374,470.26 and 137,422.42

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Solution

The fourth proportional to 249,909.28, 374,470.26 and 137,422.42 is: 205,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,909.28 : 374,470.26 = 137,422.42 : x
  2. Step 2: Convert to fraction form
    249,909.28/374,470.26 = 137,422.42/x
  3. Step 3: Cross multiply
    249,909.28x = 374,470.26 × 137,422.42
  4. Step 4: Simplify right side
    249,909.28x = 51,460,609,347.23
  5. Step 5: Solve for x
    x = 51,460,609,347.23/249,909.28
  6. Step 6: Final answer
    x = 205,917.16

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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.