Home / 212,321.24-292,881.66-132,695

Finding the Fourth Proportional to 212,321.24, 292,881.66 and 132,695

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Solution

The fourth proportional to 212,321.24, 292,881.66 and 132,695 is: 183,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,321.24 : 292,881.66 = 132,695 : x
  2. Step 2: Convert to fraction form
    212,321.24/292,881.66 = 132,695/x
  3. Step 3: Cross multiply
    212,321.24x = 292,881.66 × 132,695
  4. Step 4: Simplify right side
    212,321.24x = 38,863,931,873.70
  5. Step 5: Solve for x
    x = 38,863,931,873.70/212,321.24
  6. Step 6: Final answer
    x = 183,043.07

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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.