Home / 161,218.96-222,475.29-89,603.38

Finding the Fourth Proportional to 161,218.96, 222,475.29 and 89,603.38

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Solution

The fourth proportional to 161,218.96, 222,475.29 and 89,603.38 is: 123,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,218.96 : 222,475.29 = 89,603.38 : x
  2. Step 2: Convert to fraction form
    161,218.96/222,475.29 = 89,603.38/x
  3. Step 3: Cross multiply
    161,218.96x = 222,475.29 × 89,603.38
  4. Step 4: Simplify right side
    161,218.96x = 19,934,537,950.48
  5. Step 5: Solve for x
    x = 19,934,537,950.48/161,218.96
  6. Step 6: Final answer
    x = 123,648.84

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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.