Home / 149,207.29-223,611.28-73,189.60

Finding the Fourth Proportional to 149,207.29, 223,611.28 and 73,189.60

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Solution

The fourth proportional to 149,207.29, 223,611.28 and 73,189.60 is: 109,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,207.29 : 223,611.28 = 73,189.60 : x
  2. Step 2: Convert to fraction form
    149,207.29/223,611.28 = 73,189.60/x
  3. Step 3: Cross multiply
    149,207.29x = 223,611.28 × 73,189.60
  4. Step 4: Simplify right side
    149,207.29x = 16,366,020,138.69
  5. Step 5: Solve for x
    x = 16,366,020,138.69/149,207.29
  6. Step 6: Final answer
    x = 109,686.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.