Home / 150,103.08-225,022.14-56,543.40

Finding the Fourth Proportional to 150,103.08, 225,022.14 and 56,543.40

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Solution

The fourth proportional to 150,103.08, 225,022.14 and 56,543.40 is: 84,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,103.08 : 225,022.14 = 56,543.40 : x
  2. Step 2: Convert to fraction form
    150,103.08/225,022.14 = 56,543.40/x
  3. Step 3: Cross multiply
    150,103.08x = 225,022.14 × 56,543.40
  4. Step 4: Simplify right side
    150,103.08x = 12,723,516,870.88
  5. Step 5: Solve for x
    x = 12,723,516,870.88/150,103.08
  6. Step 6: Final answer
    x = 84,765.20

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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.