Home / 215,113.23-296,863.44-118,321.17

Finding the Fourth Proportional to 215,113.23, 296,863.44 and 118,321.17

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Solution

The fourth proportional to 215,113.23, 296,863.44 and 118,321.17 is: 163,287.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,113.23 : 296,863.44 = 118,321.17 : x
  2. Step 2: Convert to fraction form
    215,113.23/296,863.44 = 118,321.17/x
  3. Step 3: Cross multiply
    215,113.23x = 296,863.44 × 118,321.17
  4. Step 4: Simplify right side
    215,113.23x = 35,125,229,551.02
  5. Step 5: Solve for x
    x = 35,125,229,551.02/215,113.23
  6. Step 6: Final answer
    x = 163,287.17

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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.