Home / 249,276.32-373,960.96-80,781.62

Finding the Fourth Proportional to 249,276.32, 373,960.96 and 80,781.62

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Solution

The fourth proportional to 249,276.32, 373,960.96 and 80,781.62 is: 121,187.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,276.32 : 373,960.96 = 80,781.62 : x
  2. Step 2: Convert to fraction form
    249,276.32/373,960.96 = 80,781.62/x
  3. Step 3: Cross multiply
    249,276.32x = 373,960.96 × 80,781.62
  4. Step 4: Simplify right side
    249,276.32x = 30,209,172,165.56
  5. Step 5: Solve for x
    x = 30,209,172,165.56/249,276.32
  6. Step 6: Final answer
    x = 121,187.49

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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.