Home / 161,639.55-223,001.24-97,954.11

Finding the Fourth Proportional to 161,639.55, 223,001.24 and 97,954.11

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Solution

The fourth proportional to 161,639.55, 223,001.24 and 97,954.11 is: 135,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,639.55 : 223,001.24 = 97,954.11 : x
  2. Step 2: Convert to fraction form
    161,639.55/223,001.24 = 97,954.11/x
  3. Step 3: Cross multiply
    161,639.55x = 223,001.24 × 97,954.11
  4. Step 4: Simplify right side
    161,639.55x = 21,843,887,503.33
  5. Step 5: Solve for x
    x = 21,843,887,503.33/161,639.55
  6. Step 6: Final answer
    x = 135,139.50

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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.