Home / 212,965.52-293,878.80-117,472.88

Finding the Fourth Proportional to 212,965.52, 293,878.80 and 117,472.88

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Solution

The fourth proportional to 212,965.52, 293,878.80 and 117,472.88 is: 162,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,965.52 : 293,878.80 = 117,472.88 : x
  2. Step 2: Convert to fraction form
    212,965.52/293,878.80 = 117,472.88/x
  3. Step 3: Cross multiply
    212,965.52x = 293,878.80 × 117,472.88
  4. Step 4: Simplify right side
    212,965.52x = 34,522,789,006.94
  5. Step 5: Solve for x
    x = 34,522,789,006.94/212,965.52
  6. Step 6: Final answer
    x = 162,105.06

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1.5x scale

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.