Home / 114,843.28-172,298.40-70,498.48

Finding the Fourth Proportional to 114,843.28, 172,298.40 and 70,498.48

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Solution

The fourth proportional to 114,843.28, 172,298.40 and 70,498.48 is: 105,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,843.28 : 172,298.40 = 70,498.48 : x
  2. Step 2: Convert to fraction form
    114,843.28/172,298.40 = 70,498.48/x
  3. Step 3: Cross multiply
    114,843.28x = 172,298.40 × 70,498.48
  4. Step 4: Simplify right side
    114,843.28x = 12,146,775,306.43
  5. Step 5: Solve for x
    x = 12,146,775,306.43/114,843.28
  6. Step 6: Final answer
    x = 105,768.27

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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.