Home / 115,384.80-173,077.20-53,176.80

Finding the Fourth Proportional to 115,384.80, 173,077.20 and 53,176.80

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Solution

The fourth proportional to 115,384.80, 173,077.20 and 53,176.80 is: 79,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,384.80 : 173,077.20 = 53,176.80 : x
  2. Step 2: Convert to fraction form
    115,384.80/173,077.20 = 53,176.80/x
  3. Step 3: Cross multiply
    115,384.80x = 173,077.20 × 53,176.80
  4. Step 4: Simplify right side
    115,384.80x = 9,203,691,648.96
  5. Step 5: Solve for x
    x = 9,203,691,648.96/115,384.80
  6. Step 6: Final answer
    x = 79,765.20

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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.