Home / 115,188.91-172,782.66-29,799.77

Finding the Fourth Proportional to 115,188.91, 172,782.66 and 29,799.77

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Solution

The fourth proportional to 115,188.91, 172,782.66 and 29,799.77 is: 44,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,188.91 : 172,782.66 = 29,799.77 : x
  2. Step 2: Convert to fraction form
    115,188.91/172,782.66 = 29,799.77/x
  3. Step 3: Cross multiply
    115,188.91x = 172,782.66 × 29,799.77
  4. Step 4: Simplify right side
    115,188.91x = 5,148,883,527.99
  5. Step 5: Solve for x
    x = 5,148,883,527.99/115,188.91
  6. Step 6: Final answer
    x = 44,699.47

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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.