Home / 161,461.29-222,825.33-89,842.86

Finding the Fourth Proportional to 161,461.29, 222,825.33 and 89,842.86

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Solution

The fourth proportional to 161,461.29, 222,825.33 and 89,842.86 is: 123,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,461.29 : 222,825.33 = 89,842.86 : x
  2. Step 2: Convert to fraction form
    161,461.29/222,825.33 = 89,842.86/x
  3. Step 3: Cross multiply
    161,461.29x = 222,825.33 × 89,842.86
  4. Step 4: Simplify right side
    161,461.29x = 20,019,264,927.64
  5. Step 5: Solve for x
    x = 20,019,264,927.64/161,461.29
  6. Step 6: Final answer
    x = 123,988.02

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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.