Home / 160,890.18-222,010.65-89,252.34

Finding the Fourth Proportional to 160,890.18, 222,010.65 and 89,252.34

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Solution

The fourth proportional to 160,890.18, 222,010.65 and 89,252.34 is: 123,158.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,890.18 : 222,010.65 = 89,252.34 : x
  2. Step 2: Convert to fraction form
    160,890.18/222,010.65 = 89,252.34/x
  3. Step 3: Cross multiply
    160,890.18x = 222,010.65 × 89,252.34
  4. Step 4: Simplify right side
    160,890.18x = 19,814,970,017.42
  5. Step 5: Solve for x
    x = 19,814,970,017.42/160,890.18
  6. Step 6: Final answer
    x = 123,158.36

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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.