Home / 134,650.16-185,816.30-74,220.85

Finding the Fourth Proportional to 134,650.16, 185,816.30 and 74,220.85

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Solution

The fourth proportional to 134,650.16, 185,816.30 and 74,220.85 is: 102,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,650.16 : 185,816.30 = 74,220.85 : x
  2. Step 2: Convert to fraction form
    134,650.16/185,816.30 = 74,220.85/x
  3. Step 3: Cross multiply
    134,650.16x = 185,816.30 × 74,220.85
  4. Step 4: Simplify right side
    134,650.16x = 13,791,443,591.02
  5. Step 5: Solve for x
    x = 13,791,443,591.02/134,650.16
  6. Step 6: Final answer
    x = 102,424.27

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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.