Home / 161,797.11-223,293.56-90,167.55

Finding the Fourth Proportional to 161,797.11, 223,293.56 and 90,167.55

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Solution

The fourth proportional to 161,797.11, 223,293.56 and 90,167.55 is: 124,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,797.11 : 223,293.56 = 90,167.55 : x
  2. Step 2: Convert to fraction form
    161,797.11/223,293.56 = 90,167.55/x
  3. Step 3: Cross multiply
    161,797.11x = 223,293.56 × 90,167.55
  4. Step 4: Simplify right side
    161,797.11x = 20,133,832,785.14
  5. Step 5: Solve for x
    x = 20,133,832,785.14/161,797.11
  6. Step 6: Final answer
    x = 124,438.77

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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.