Home / 161,108.16-222,330.72-89,495.04

Finding the Fourth Proportional to 161,108.16, 222,330.72 and 89,495.04

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Solution

The fourth proportional to 161,108.16, 222,330.72 and 89,495.04 is: 123,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,108.16 : 222,330.72 = 89,495.04 : x
  2. Step 2: Convert to fraction form
    161,108.16/222,330.72 = 89,495.04/x
  3. Step 3: Cross multiply
    161,108.16x = 222,330.72 × 89,495.04
  4. Step 4: Simplify right side
    161,108.16x = 19,897,496,679.63
  5. Step 5: Solve for x
    x = 19,897,496,679.63/161,108.16
  6. Step 6: Final answer
    x = 123,503.97

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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.