Home / 161,312.18-222,610.07-89,687.93

Finding the Fourth Proportional to 161,312.18, 222,610.07 and 89,687.93

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Solution

The fourth proportional to 161,312.18, 222,610.07 and 89,687.93 is: 123,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,312.18 : 222,610.07 = 89,687.93 : x
  2. Step 2: Convert to fraction form
    161,312.18/222,610.07 = 89,687.93/x
  3. Step 3: Cross multiply
    161,312.18x = 222,610.07 × 89,687.93
  4. Step 4: Simplify right side
    161,312.18x = 19,965,435,486.62
  5. Step 5: Solve for x
    x = 19,965,435,486.62/161,312.18
  6. Step 6: Final answer
    x = 123,768.93

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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.