Home / 215,162.96-296,918.16-118,366.34

Finding the Fourth Proportional to 215,162.96, 296,918.16 and 118,366.34

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Solution

The fourth proportional to 215,162.96, 296,918.16 and 118,366.34 is: 163,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,162.96 : 296,918.16 = 118,366.34 : x
  2. Step 2: Convert to fraction form
    215,162.96/296,918.16 = 118,366.34/x
  3. Step 3: Cross multiply
    215,162.96x = 296,918.16 × 118,366.34
  4. Step 4: Simplify right side
    215,162.96x = 35,145,115,878.73
  5. Step 5: Solve for x
    x = 35,145,115,878.73/215,162.96
  6. Step 6: Final answer
    x = 163,341.85

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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.