Home / 134,165.08-185,180.34-80,484.76

Finding the Fourth Proportional to 134,165.08, 185,180.34 and 80,484.76

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Solution

The fourth proportional to 134,165.08, 185,180.34 and 80,484.76 is: 111,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,165.08 : 185,180.34 = 80,484.76 : x
  2. Step 2: Convert to fraction form
    134,165.08/185,180.34 = 80,484.76/x
  3. Step 3: Cross multiply
    134,165.08x = 185,180.34 × 80,484.76
  4. Step 4: Simplify right side
    134,165.08x = 14,904,195,221.62
  5. Step 5: Solve for x
    x = 14,904,195,221.62/134,165.08
  6. Step 6: Final answer
    x = 111,088.48

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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.