Home / 129,354.56-193,817.28-45,070.16

Finding the Fourth Proportional to 129,354.56, 193,817.28 and 45,070.16

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Solution

The fourth proportional to 129,354.56, 193,817.28 and 45,070.16 is: 67,530.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,354.56 : 193,817.28 = 45,070.16 : x
  2. Step 2: Convert to fraction form
    129,354.56/193,817.28 = 45,070.16/x
  3. Step 3: Cross multiply
    129,354.56x = 193,817.28 × 45,070.16
  4. Step 4: Simplify right side
    129,354.56x = 8,735,375,820.36
  5. Step 5: Solve for x
    x = 8,735,375,820.36/129,354.56
  6. Step 6: Final answer
    x = 67,530.48

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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.