Home / 249,529.28-344,252.76-153,869.90

Finding the Fourth Proportional to 249,529.28, 344,252.76 and 153,869.90

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Solution

The fourth proportional to 249,529.28, 344,252.76 and 153,869.90 is: 212,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,529.28 : 344,252.76 = 153,869.90 : x
  2. Step 2: Convert to fraction form
    249,529.28/344,252.76 = 153,869.90/x
  3. Step 3: Cross multiply
    249,529.28x = 344,252.76 × 153,869.90
  4. Step 4: Simplify right side
    249,529.28x = 52,970,137,755.92
  5. Step 5: Solve for x
    x = 52,970,137,755.92/249,529.28
  6. Step 6: Final answer
    x = 212,280.25

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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.