Home / 161,248.32-222,541.02-89,635.41

Finding the Fourth Proportional to 161,248.32, 222,541.02 and 89,635.41

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Solution

The fourth proportional to 161,248.32, 222,541.02 and 89,635.41 is: 123,707.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,248.32 : 222,541.02 = 89,635.41 : x
  2. Step 2: Convert to fraction form
    161,248.32/222,541.02 = 89,635.41/x
  3. Step 3: Cross multiply
    161,248.32x = 222,541.02 × 89,635.41
  4. Step 4: Simplify right side
    161,248.32x = 19,947,555,569.52
  5. Step 5: Solve for x
    x = 19,947,555,569.52/161,248.32
  6. Step 6: Final answer
    x = 123,707.06

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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.