Home / 249,514.80-374,272.20-91,710.60

Finding the Fourth Proportional to 249,514.80, 374,272.20 and 91,710.60

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Solution

The fourth proportional to 249,514.80, 374,272.20 and 91,710.60 is: 137,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,514.80 : 374,272.20 = 91,710.60 : x
  2. Step 2: Convert to fraction form
    249,514.80/374,272.20 = 91,710.60/x
  3. Step 3: Cross multiply
    249,514.80x = 374,272.20 × 91,710.60
  4. Step 4: Simplify right side
    249,514.80x = 34,324,728,025.32
  5. Step 5: Solve for x
    x = 34,324,728,025.32/249,514.80
  6. Step 6: Final answer
    x = 137,565.90

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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.