Home / 161,445.68-222,796.14-89,828.72

Finding the Fourth Proportional to 161,445.68, 222,796.14 and 89,828.72

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Solution

The fourth proportional to 161,445.68, 222,796.14 and 89,828.72 is: 123,964.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,445.68 : 222,796.14 = 89,828.72 : x
  2. Step 2: Convert to fraction form
    161,445.68/222,796.14 = 89,828.72/x
  3. Step 3: Cross multiply
    161,445.68x = 222,796.14 × 89,828.72
  4. Step 4: Simplify right side
    161,445.68x = 20,013,492,077.14
  5. Step 5: Solve for x
    x = 20,013,492,077.14/161,445.68
  6. Step 6: Final answer
    x = 123,964.25

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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.