Home / 144,031.32-198,327.48-113,719.44

Finding the Fourth Proportional to 144,031.32, 198,327.48 and 113,719.44

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Solution

The fourth proportional to 144,031.32, 198,327.48 and 113,719.44 is: 156,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,031.32 : 198,327.48 = 113,719.44 : x
  2. Step 2: Convert to fraction form
    144,031.32/198,327.48 = 113,719.44/x
  3. Step 3: Cross multiply
    144,031.32x = 198,327.48 × 113,719.44
  4. Step 4: Simplify right side
    144,031.32x = 22,553,689,962.21
  5. Step 5: Solve for x
    x = 22,553,689,962.21/144,031.32
  6. Step 6: Final answer
    x = 156,588.79

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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.