Home / 161,503.60-222,872.76-89,883.64

Finding the Fourth Proportional to 161,503.60, 222,872.76 and 89,883.64

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Solution

The fourth proportional to 161,503.60, 222,872.76 and 89,883.64 is: 124,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,503.60 : 222,872.76 = 89,883.64 : x
  2. Step 2: Convert to fraction form
    161,503.60/222,872.76 = 89,883.64/x
  3. Step 3: Cross multiply
    161,503.60x = 222,872.76 × 89,883.64
  4. Step 4: Simplify right side
    161,503.60x = 20,032,613,361.86
  5. Step 5: Solve for x
    x = 20,032,613,361.86/161,503.60
  6. Step 6: Final answer
    x = 124,038.19

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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.