Home / 161,932.31-223,466.98-90,316.97

Finding the Fourth Proportional to 161,932.31, 223,466.98 and 90,316.97

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Solution

The fourth proportional to 161,932.31, 223,466.98 and 90,316.97 is: 124,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,932.31 : 223,466.98 = 90,316.97 : x
  2. Step 2: Convert to fraction form
    161,932.31/223,466.98 = 90,316.97/x
  3. Step 3: Cross multiply
    161,932.31x = 223,466.98 × 90,316.97
  4. Step 4: Simplify right side
    161,932.31x = 20,182,859,185.52
  5. Step 5: Solve for x
    x = 20,182,859,185.52/161,932.31
  6. Step 6: Final answer
    x = 124,637.63

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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.