Home / 161,729.67-223,188.48-89,135.19

Finding the Fourth Proportional to 161,729.67, 223,188.48 and 89,135.19

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Solution

The fourth proportional to 161,729.67, 223,188.48 and 89,135.19 is: 123,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,729.67 : 223,188.48 = 89,135.19 : x
  2. Step 2: Convert to fraction form
    161,729.67/223,188.48 = 89,135.19/x
  3. Step 3: Cross multiply
    161,729.67x = 223,188.48 × 89,135.19
  4. Step 4: Simplify right side
    161,729.67x = 19,893,947,570.61
  5. Step 5: Solve for x
    x = 19,893,947,570.61/161,729.67
  6. Step 6: Final answer
    x = 123,007.41

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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.