Home / 161,899.20-223,394.04-90,277.20

Finding the Fourth Proportional to 161,899.20, 223,394.04 and 90,277.20

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Solution

The fourth proportional to 161,899.20, 223,394.04 and 90,277.20 is: 124,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,899.20 : 223,394.04 = 90,277.20 : x
  2. Step 2: Convert to fraction form
    161,899.20/223,394.04 = 90,277.20/x
  3. Step 3: Cross multiply
    161,899.20x = 223,394.04 × 90,277.20
  4. Step 4: Simplify right side
    161,899.20x = 20,167,388,427.89
  5. Step 5: Solve for x
    x = 20,167,388,427.89/161,899.20
  6. Step 6: Final answer
    x = 124,567.56

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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.