Home / 123,400.20-185,045.58-56,824.20

Finding the Fourth Proportional to 123,400.20, 185,045.58 and 56,824.20

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Solution

The fourth proportional to 123,400.20, 185,045.58 and 56,824.20 is: 85,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,400.20 : 185,045.58 = 56,824.20 : x
  2. Step 2: Convert to fraction form
    123,400.20/185,045.58 = 56,824.20/x
  3. Step 3: Cross multiply
    123,400.20x = 185,045.58 × 56,824.20
  4. Step 4: Simplify right side
    123,400.20x = 10,515,067,047.04
  5. Step 5: Solve for x
    x = 10,515,067,047.04/123,400.20
  6. Step 6: Final answer
    x = 85,211.10

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1.5x scale

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.