Home / 161,445.18-222,795.46-89,828.22

Finding the Fourth Proportional to 161,445.18, 222,795.46 and 89,828.22

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Solution

The fourth proportional to 161,445.18, 222,795.46 and 89,828.22 is: 123,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,445.18 : 222,795.46 = 89,828.22 : x
  2. Step 2: Convert to fraction form
    161,445.18/222,795.46 = 89,828.22/x
  3. Step 3: Cross multiply
    161,445.18x = 222,795.46 × 89,828.22
  4. Step 4: Simplify right side
    161,445.18x = 20,013,319,595.88
  5. Step 5: Solve for x
    x = 20,013,319,595.88/161,445.18
  6. Step 6: Final answer
    x = 123,963.56

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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.