Home / 215,110.22-296,859.31-118,318.16

Finding the Fourth Proportional to 215,110.22, 296,859.31 and 118,318.16

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Solution

The fourth proportional to 215,110.22, 296,859.31 and 118,318.16 is: 163,283.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,110.22 : 296,859.31 = 118,318.16 : x
  2. Step 2: Convert to fraction form
    215,110.22/296,859.31 = 118,318.16/x
  3. Step 3: Cross multiply
    215,110.22x = 296,859.31 × 118,318.16
  4. Step 4: Simplify right side
    215,110.22x = 35,123,847,784.42
  5. Step 5: Solve for x
    x = 35,123,847,784.42/215,110.22
  6. Step 6: Final answer
    x = 163,283.03

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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.