Home / 156,080.72-234,031.66-47,981.94

Finding the Fourth Proportional to 156,080.72, 234,031.66 and 47,981.94

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Solution

The fourth proportional to 156,080.72, 234,031.66 and 47,981.94 is: 71,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,080.72 : 234,031.66 = 47,981.94 : x
  2. Step 2: Convert to fraction form
    156,080.72/234,031.66 = 47,981.94/x
  3. Step 3: Cross multiply
    156,080.72x = 234,031.66 × 47,981.94
  4. Step 4: Simplify right side
    156,080.72x = 11,229,293,068.22
  5. Step 5: Solve for x
    x = 11,229,293,068.22/156,080.72
  6. Step 6: Final answer
    x = 71,945.42

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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.