Home / 129,029.20-193,543.80-35,544.40

Finding the Fourth Proportional to 129,029.20, 193,543.80 and 35,544.40

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Solution

The fourth proportional to 129,029.20, 193,543.80 and 35,544.40 is: 53,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,029.20 : 193,543.80 = 35,544.40 : x
  2. Step 2: Convert to fraction form
    129,029.20/193,543.80 = 35,544.40/x
  3. Step 3: Cross multiply
    129,029.20x = 193,543.80 × 35,544.40
  4. Step 4: Simplify right side
    129,029.20x = 6,879,398,244.72
  5. Step 5: Solve for x
    x = 6,879,398,244.72/129,029.20
  6. Step 6: Final answer
    x = 53,316.60

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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.