Home / 161,130.15-222,359.85-89,508.33

Finding the Fourth Proportional to 161,130.15, 222,359.85 and 89,508.33

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Solution

The fourth proportional to 161,130.15, 222,359.85 and 89,508.33 is: 123,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,130.15 : 222,359.85 = 89,508.33 : x
  2. Step 2: Convert to fraction form
    161,130.15/222,359.85 = 89,508.33/x
  3. Step 3: Cross multiply
    161,130.15x = 222,359.85 × 89,508.33
  4. Step 4: Simplify right side
    161,130.15x = 19,903,058,832.55
  5. Step 5: Solve for x
    x = 19,903,058,832.55/161,130.15
  6. Step 6: Final answer
    x = 123,521.63

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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.