Home / 161,794.11-223,276.91-90,178.67

Finding the Fourth Proportional to 161,794.11, 223,276.91 and 90,178.67

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Solution

The fourth proportional to 161,794.11, 223,276.91 and 90,178.67 is: 124,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,794.11 : 223,276.91 = 90,178.67 : x
  2. Step 2: Convert to fraction form
    161,794.11/223,276.91 = 90,178.67/x
  3. Step 3: Cross multiply
    161,794.11x = 223,276.91 × 90,178.67
  4. Step 4: Simplify right side
    161,794.11x = 20,134,813,636.88
  5. Step 5: Solve for x
    x = 20,134,813,636.88/161,794.11
  6. Step 6: Final answer
    x = 124,447.14

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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.