Home / 161,256.60-222,541.68-89,637.82

Finding the Fourth Proportional to 161,256.60, 222,541.68 and 89,637.82

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Solution

The fourth proportional to 161,256.60, 222,541.68 and 89,637.82 is: 123,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,256.60 : 222,541.68 = 89,637.82 : x
  2. Step 2: Convert to fraction form
    161,256.60/222,541.68 = 89,637.82/x
  3. Step 3: Cross multiply
    161,256.60x = 222,541.68 × 89,637.82
  4. Step 4: Simplify right side
    161,256.60x = 19,948,151,054.34
  5. Step 5: Solve for x
    x = 19,948,151,054.34/161,256.60
  6. Step 6: Final answer
    x = 123,704.40

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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.