Home / 161,569.38-222,973.02-89,953.89

Finding the Fourth Proportional to 161,569.38, 222,973.02 and 89,953.89

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Solution

The fourth proportional to 161,569.38, 222,973.02 and 89,953.89 is: 124,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,569.38 : 222,973.02 = 89,953.89 : x
  2. Step 2: Convert to fraction form
    161,569.38/222,973.02 = 89,953.89/x
  3. Step 3: Cross multiply
    161,569.38x = 222,973.02 × 89,953.89
  4. Step 4: Simplify right side
    161,569.38x = 20,057,290,514.05
  5. Step 5: Solve for x
    x = 20,057,290,514.05/161,569.38
  6. Step 6: Final answer
    x = 124,140.42

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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.