Home / 115,423.60-173,119.20-36,545.80

Finding the Fourth Proportional to 115,423.60, 173,119.20 and 36,545.80

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Solution

The fourth proportional to 115,423.60, 173,119.20 and 36,545.80 is: 54,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,423.60 : 173,119.20 = 36,545.80 : x
  2. Step 2: Convert to fraction form
    115,423.60/173,119.20 = 36,545.80/x
  3. Step 3: Cross multiply
    115,423.60x = 173,119.20 × 36,545.80
  4. Step 4: Simplify right side
    115,423.60x = 6,326,779,659.36
  5. Step 5: Solve for x
    x = 6,326,779,659.36/115,423.60
  6. Step 6: Final answer
    x = 54,813.57

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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.