Home / 122,031.16-182,748.66-75,219.64

Finding the Fourth Proportional to 122,031.16, 182,748.66 and 75,219.64

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Solution

The fourth proportional to 122,031.16, 182,748.66 and 75,219.64 is: 112,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,031.16 : 182,748.66 = 75,219.64 : x
  2. Step 2: Convert to fraction form
    122,031.16/182,748.66 = 75,219.64/x
  3. Step 3: Cross multiply
    122,031.16x = 182,748.66 × 75,219.64
  4. Step 4: Simplify right side
    122,031.16x = 13,746,288,415.68
  5. Step 5: Solve for x
    x = 13,746,288,415.68/122,031.16
  6. Step 6: Final answer
    x = 112,645.72

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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.