Home / 133,519.16-184,276.68-76,158.20

Finding the Fourth Proportional to 133,519.16, 184,276.68 and 76,158.20

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Solution

The fourth proportional to 133,519.16, 184,276.68 and 76,158.20 is: 105,109.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,519.16 : 184,276.68 = 76,158.20 : x
  2. Step 2: Convert to fraction form
    133,519.16/184,276.68 = 76,158.20/x
  3. Step 3: Cross multiply
    133,519.16x = 184,276.68 × 76,158.20
  4. Step 4: Simplify right side
    133,519.16x = 14,034,180,250.78
  5. Step 5: Solve for x
    x = 14,034,180,250.78/133,519.16
  6. Step 6: Final answer
    x = 105,109.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.