Home / 161,217.93-222,473.91-89,602.38

Finding the Fourth Proportional to 161,217.93, 222,473.91 and 89,602.38

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Solution

The fourth proportional to 161,217.93, 222,473.91 and 89,602.38 is: 123,647.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,217.93 : 222,473.91 = 89,602.38 : x
  2. Step 2: Convert to fraction form
    161,217.93/222,473.91 = 89,602.38/x
  3. Step 3: Cross multiply
    161,217.93x = 222,473.91 × 89,602.38
  4. Step 4: Simplify right side
    161,217.93x = 19,934,191,823.91
  5. Step 5: Solve for x
    x = 19,934,191,823.91/161,217.93
  6. Step 6: Final answer
    x = 123,647.49

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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.