Home / 161,056.86-222,272.55-89,450.88

Finding the Fourth Proportional to 161,056.86, 222,272.55 and 89,450.88

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Solution

The fourth proportional to 161,056.86, 222,272.55 and 89,450.88 is: 123,450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,056.86 : 222,272.55 = 89,450.88 : x
  2. Step 2: Convert to fraction form
    161,056.86/222,272.55 = 89,450.88/x
  3. Step 3: Cross multiply
    161,056.86x = 222,272.55 × 89,450.88
  4. Step 4: Simplify right side
    161,056.86x = 19,882,475,197.34
  5. Step 5: Solve for x
    x = 19,882,475,197.34/161,056.86
  6. Step 6: Final answer
    x = 123,450.04

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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.