Home / 249,667.76-374,446.20-72,135.92

Finding the Fourth Proportional to 249,667.76, 374,446.20 and 72,135.92

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Solution

The fourth proportional to 249,667.76, 374,446.20 and 72,135.92 is: 108,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,667.76 : 374,446.20 = 72,135.92 : x
  2. Step 2: Convert to fraction form
    249,667.76/374,446.20 = 72,135.92/x
  3. Step 3: Cross multiply
    249,667.76x = 374,446.20 × 72,135.92
  4. Step 4: Simplify right side
    249,667.76x = 27,011,021,127.50
  5. Step 5: Solve for x
    x = 27,011,021,127.50/249,667.76
  6. Step 6: Final answer
    x = 108,187.86

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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.