Home / 249,536.28-344,262.42-153,876.90

Finding the Fourth Proportional to 249,536.28, 344,262.42 and 153,876.90

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Solution

The fourth proportional to 249,536.28, 344,262.42 and 153,876.90 is: 212,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,536.28 : 344,262.42 = 153,876.90 : x
  2. Step 2: Convert to fraction form
    249,536.28/344,262.42 = 153,876.90/x
  3. Step 3: Cross multiply
    249,536.28x = 344,262.42 × 153,876.90
  4. Step 4: Simplify right side
    249,536.28x = 52,974,033,976.10
  5. Step 5: Solve for x
    x = 52,974,033,976.10/249,536.28
  6. Step 6: Final answer
    x = 212,289.91

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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.