Home / 295,184.20-442,728.78-84,774.28

Finding the Fourth Proportional to 295,184.20, 442,728.78 and 84,774.28

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Solution

The fourth proportional to 295,184.20, 442,728.78 and 84,774.28 is: 127,147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,184.20 : 442,728.78 = 84,774.28 : x
  2. Step 2: Convert to fraction form
    295,184.20/442,728.78 = 84,774.28/x
  3. Step 3: Cross multiply
    295,184.20x = 442,728.78 × 84,774.28
  4. Step 4: Simplify right side
    295,184.20x = 37,532,013,559.78
  5. Step 5: Solve for x
    x = 37,532,013,559.78/295,184.20
  6. Step 6: Final answer
    x = 127,147.77

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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.