Home / 249,695.38-374,465.31-83,444.50

Finding the Fourth Proportional to 249,695.38, 374,465.31 and 83,444.50

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Solution

The fourth proportional to 249,695.38, 374,465.31 and 83,444.50 is: 125,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,695.38 : 374,465.31 = 83,444.50 : x
  2. Step 2: Convert to fraction form
    249,695.38/374,465.31 = 83,444.50/x
  3. Step 3: Cross multiply
    249,695.38x = 374,465.31 × 83,444.50
  4. Step 4: Simplify right side
    249,695.38x = 31,247,070,560.30
  5. Step 5: Solve for x
    x = 31,247,070,560.30/249,695.38
  6. Step 6: Final answer
    x = 125,140.76

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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.