Home / 249,677.88-374,439.06-83,427

Finding the Fourth Proportional to 249,677.88, 374,439.06 and 83,427

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Solution

The fourth proportional to 249,677.88, 374,439.06 and 83,427 is: 125,114.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,677.88 : 374,439.06 = 83,427 : x
  2. Step 2: Convert to fraction form
    249,677.88/374,439.06 = 83,427/x
  3. Step 3: Cross multiply
    249,677.88x = 374,439.06 × 83,427
  4. Step 4: Simplify right side
    249,677.88x = 31,238,327,458.62
  5. Step 5: Solve for x
    x = 31,238,327,458.62/249,677.88
  6. Step 6: Final answer
    x = 125,114.52

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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.