Home / 123,586.01-185,434.40-56,990.44

Finding the Fourth Proportional to 123,586.01, 185,434.40 and 56,990.44

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Solution

The fourth proportional to 123,586.01, 185,434.40 and 56,990.44 is: 85,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,586.01 : 185,434.40 = 56,990.44 : x
  2. Step 2: Convert to fraction form
    123,586.01/185,434.40 = 56,990.44/x
  3. Step 3: Cross multiply
    123,586.01x = 185,434.40 × 56,990.44
  4. Step 4: Simplify right side
    123,586.01x = 10,567,988,662.24
  5. Step 5: Solve for x
    x = 10,567,988,662.24/123,586.01
  6. Step 6: Final answer
    x = 85,511.20

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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.