Home / 160,153.68-221,034.12-92,169.30

Finding the Fourth Proportional to 160,153.68, 221,034.12 and 92,169.30

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Solution

The fourth proportional to 160,153.68, 221,034.12 and 92,169.30 is: 127,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,153.68 : 221,034.12 = 92,169.30 : x
  2. Step 2: Convert to fraction form
    160,153.68/221,034.12 = 92,169.30/x
  3. Step 3: Cross multiply
    160,153.68x = 221,034.12 × 92,169.30
  4. Step 4: Simplify right side
    160,153.68x = 20,372,560,116.52
  5. Step 5: Solve for x
    x = 20,372,560,116.52/160,153.68
  6. Step 6: Final answer
    x = 127,206.32

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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.