Home / 215,114.48-296,865.15-118,322.42

Finding the Fourth Proportional to 215,114.48, 296,865.15 and 118,322.42

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Solution

The fourth proportional to 215,114.48, 296,865.15 and 118,322.42 is: 163,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,114.48 : 296,865.15 = 118,322.42 : x
  2. Step 2: Convert to fraction form
    215,114.48/296,865.15 = 118,322.42/x
  3. Step 3: Cross multiply
    215,114.48x = 296,865.15 × 118,322.42
  4. Step 4: Simplify right side
    215,114.48x = 35,125,802,961.66
  5. Step 5: Solve for x
    x = 35,125,802,961.66/215,114.48
  6. Step 6: Final answer
    x = 163,288.88

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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.