Home / 212,342.24-292,910.40-132,716

Finding the Fourth Proportional to 212,342.24, 292,910.40 and 132,716

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Solution

The fourth proportional to 212,342.24, 292,910.40 and 132,716 is: 183,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,342.24 : 292,910.40 = 132,716 : x
  2. Step 2: Convert to fraction form
    212,342.24/292,910.40 = 132,716/x
  3. Step 3: Cross multiply
    212,342.24x = 292,910.40 × 132,716
  4. Step 4: Simplify right side
    212,342.24x = 38,873,896,646.40
  5. Step 5: Solve for x
    x = 38,873,896,646.40/212,342.24
  6. Step 6: Final answer
    x = 183,071.90

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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.