Home / 115,436.20-173,186.70-56,273.80

Finding the Fourth Proportional to 115,436.20, 173,186.70 and 56,273.80

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Solution

The fourth proportional to 115,436.20, 173,186.70 and 56,273.80 is: 84,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,436.20 : 173,186.70 = 56,273.80 : x
  2. Step 2: Convert to fraction form
    115,436.20/173,186.70 = 56,273.80/x
  3. Step 3: Cross multiply
    115,436.20x = 173,186.70 × 56,273.80
  4. Step 4: Simplify right side
    115,436.20x = 9,745,873,718.46
  5. Step 5: Solve for x
    x = 9,745,873,718.46/115,436.20
  6. Step 6: Final answer
    x = 84,426.49

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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.