Home / 161,962.82-223,508.58-90,342.84

Finding the Fourth Proportional to 161,962.82, 223,508.58 and 90,342.84

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Solution

The fourth proportional to 161,962.82, 223,508.58 and 90,342.84 is: 124,673.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,962.82 : 223,508.58 = 90,342.84 : x
  2. Step 2: Convert to fraction form
    161,962.82/223,508.58 = 90,342.84/x
  3. Step 3: Cross multiply
    161,962.82x = 223,508.58 × 90,342.84
  4. Step 4: Simplify right side
    161,962.82x = 20,192,399,881.57
  5. Step 5: Solve for x
    x = 20,192,399,881.57/161,962.82
  6. Step 6: Final answer
    x = 124,673.06

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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.