Home / 161,836.71-223,334.70-90,215.19

Finding the Fourth Proportional to 161,836.71, 223,334.70 and 90,215.19

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Solution

The fourth proportional to 161,836.71, 223,334.70 and 90,215.19 is: 124,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,836.71 : 223,334.70 = 90,215.19 : x
  2. Step 2: Convert to fraction form
    161,836.71/223,334.70 = 90,215.19/x
  3. Step 3: Cross multiply
    161,836.71x = 223,334.70 × 90,215.19
  4. Step 4: Simplify right side
    161,836.71x = 20,148,182,394.09
  5. Step 5: Solve for x
    x = 20,148,182,394.09/161,836.71
  6. Step 6: Final answer
    x = 124,496.98

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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.