Home / 249,532.11-374,446.40-91,871.28

Finding the Fourth Proportional to 249,532.11, 374,446.40 and 91,871.28

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Solution

The fourth proportional to 249,532.11, 374,446.40 and 91,871.28 is: 137,861.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,532.11 : 374,446.40 = 91,871.28 : x
  2. Step 2: Convert to fraction form
    249,532.11/374,446.40 = 91,871.28/x
  3. Step 3: Cross multiply
    249,532.11x = 374,446.40 × 91,871.28
  4. Step 4: Simplify right side
    249,532.11x = 34,400,870,059.39
  5. Step 5: Solve for x
    x = 34,400,870,059.39/249,532.11
  6. Step 6: Final answer
    x = 137,861.50

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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.