Home / 161,096.02-222,306.35-89,480.63

Finding the Fourth Proportional to 161,096.02, 222,306.35 and 89,480.63

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Solution

The fourth proportional to 161,096.02, 222,306.35 and 89,480.63 is: 123,479.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,096.02 : 222,306.35 = 89,480.63 : x
  2. Step 2: Convert to fraction form
    161,096.02/222,306.35 = 89,480.63/x
  3. Step 3: Cross multiply
    161,096.02x = 222,306.35 × 89,480.63
  4. Step 4: Simplify right side
    161,096.02x = 19,892,112,251.00
  5. Step 5: Solve for x
    x = 19,892,112,251.00/161,096.02
  6. Step 6: Final answer
    x = 123,479.85

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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.