Home / 156,031.49-233,906.79-56,121.47

Finding the Fourth Proportional to 156,031.49, 233,906.79 and 56,121.47

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Solution

The fourth proportional to 156,031.49, 233,906.79 and 56,121.47 is: 84,131.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,031.49 : 233,906.79 = 56,121.47 : x
  2. Step 2: Convert to fraction form
    156,031.49/233,906.79 = 56,121.47/x
  3. Step 3: Cross multiply
    156,031.49x = 233,906.79 × 56,121.47
  4. Step 4: Simplify right side
    156,031.49x = 13,127,192,500.17
  5. Step 5: Solve for x
    x = 13,127,192,500.17/156,031.49
  6. Step 6: Final answer
    x = 84,131.69

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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.