Home / 161,384.17-222,709.56-89,764.20

Finding the Fourth Proportional to 161,384.17, 222,709.56 and 89,764.20

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Solution

The fourth proportional to 161,384.17, 222,709.56 and 89,764.20 is: 123,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,384.17 : 222,709.56 = 89,764.20 : x
  2. Step 2: Convert to fraction form
    161,384.17/222,709.56 = 89,764.20/x
  3. Step 3: Cross multiply
    161,384.17x = 222,709.56 × 89,764.20
  4. Step 4: Simplify right side
    161,384.17x = 19,991,343,923.38
  5. Step 5: Solve for x
    x = 19,991,343,923.38/161,384.17
  6. Step 6: Final answer
    x = 123,874.26

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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.