Home / 249,380.04-374,122.67-80,887.28

Finding the Fourth Proportional to 249,380.04, 374,122.67 and 80,887.28

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Solution

The fourth proportional to 249,380.04, 374,122.67 and 80,887.28 is: 121,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,380.04 : 374,122.67 = 80,887.28 : x
  2. Step 2: Convert to fraction form
    249,380.04/374,122.67 = 80,887.28/x
  3. Step 3: Cross multiply
    249,380.04x = 374,122.67 × 80,887.28
  4. Step 4: Simplify right side
    249,380.04x = 30,261,765,162.64
  5. Step 5: Solve for x
    x = 30,261,765,162.64/249,380.04
  6. Step 6: Final answer
    x = 121,347.98

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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.