Home / 144,088.12-215,842.24-71,822.94

Finding the Fourth Proportional to 144,088.12, 215,842.24 and 71,822.94

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Solution

The fourth proportional to 144,088.12, 215,842.24 and 71,822.94 is: 107,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,088.12 : 215,842.24 = 71,822.94 : x
  2. Step 2: Convert to fraction form
    144,088.12/215,842.24 = 71,822.94/x
  3. Step 3: Cross multiply
    144,088.12x = 215,842.24 × 71,822.94
  4. Step 4: Simplify right side
    144,088.12x = 15,502,424,252.99
  5. Step 5: Solve for x
    x = 15,502,424,252.99/144,088.12
  6. Step 6: Final answer
    x = 107,589.88

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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.