Home / 305,035.17-420,937.66-169,081.83

Finding the Fourth Proportional to 305,035.17, 420,937.66 and 169,081.83

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Solution

The fourth proportional to 305,035.17, 420,937.66 and 169,081.83 is: 233,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,035.17 : 420,937.66 = 169,081.83 : x
  2. Step 2: Convert to fraction form
    305,035.17/420,937.66 = 169,081.83/x
  3. Step 3: Cross multiply
    305,035.17x = 420,937.66 × 169,081.83
  4. Step 4: Simplify right side
    305,035.17x = 71,172,910,080.07
  5. Step 5: Solve for x
    x = 71,172,910,080.07/305,035.17
  6. Step 6: Final answer
    x = 233,326.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.