Home / 115,184.39-172,779.32-30,944.66

Finding the Fourth Proportional to 115,184.39, 172,779.32 and 30,944.66

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Solution

The fourth proportional to 115,184.39, 172,779.32 and 30,944.66 is: 46,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,184.39 : 172,779.32 = 30,944.66 : x
  2. Step 2: Convert to fraction form
    115,184.39/172,779.32 = 30,944.66/x
  3. Step 3: Cross multiply
    115,184.39x = 172,779.32 × 30,944.66
  4. Step 4: Simplify right side
    115,184.39x = 5,346,597,821.74
  5. Step 5: Solve for x
    x = 5,346,597,821.74/115,184.39
  6. Step 6: Final answer
    x = 46,417.73

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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.