Home / 115,464.24-173,251.40-79,980.24

Finding the Fourth Proportional to 115,464.24, 173,251.40 and 79,980.24

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Solution

The fourth proportional to 115,464.24, 173,251.40 and 79,980.24 is: 120,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,464.24 : 173,251.40 = 79,980.24 : x
  2. Step 2: Convert to fraction form
    115,464.24/173,251.40 = 79,980.24/x
  3. Step 3: Cross multiply
    115,464.24x = 173,251.40 × 79,980.24
  4. Step 4: Simplify right side
    115,464.24x = 13,856,688,552.34
  5. Step 5: Solve for x
    x = 13,856,688,552.34/115,464.24
  6. Step 6: Final answer
    x = 120,008.49

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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.