Home / 161,066.32-222,281.49-89,446.84

Finding the Fourth Proportional to 161,066.32, 222,281.49 and 89,446.84

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Solution

The fourth proportional to 161,066.32, 222,281.49 and 89,446.84 is: 123,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,066.32 : 222,281.49 = 89,446.84 : x
  2. Step 2: Convert to fraction form
    161,066.32/222,281.49 = 89,446.84/x
  3. Step 3: Cross multiply
    161,066.32x = 222,281.49 × 89,446.84
  4. Step 4: Simplify right side
    161,066.32x = 19,882,376,870.99
  5. Step 5: Solve for x
    x = 19,882,376,870.99/161,066.32
  6. Step 6: Final answer
    x = 123,442.18

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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.