Home / 161,240.23-222,510.67-88,644.79

Finding the Fourth Proportional to 161,240.23, 222,510.67 and 88,644.79

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Solution

The fourth proportional to 161,240.23, 222,510.67 and 88,644.79 is: 122,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,240.23 : 222,510.67 = 88,644.79 : x
  2. Step 2: Convert to fraction form
    161,240.23/222,510.67 = 88,644.79/x
  3. Step 3: Cross multiply
    161,240.23x = 222,510.67 × 88,644.79
  4. Step 4: Simplify right side
    161,240.23x = 19,724,411,614.91
  5. Step 5: Solve for x
    x = 19,724,411,614.91/161,240.23
  6. Step 6: Final answer
    x = 122,329.34

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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.