Home / 215,152.50-296,902.56-119,665.35

Finding the Fourth Proportional to 215,152.50, 296,902.56 and 119,665.35

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Solution

The fourth proportional to 215,152.50, 296,902.56 and 119,665.35 is: 165,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,152.50 : 296,902.56 = 119,665.35 : x
  2. Step 2: Convert to fraction form
    215,152.50/296,902.56 = 119,665.35/x
  3. Step 3: Cross multiply
    215,152.50x = 296,902.56 × 119,665.35
  4. Step 4: Simplify right side
    215,152.50x = 35,528,949,207.04
  5. Step 5: Solve for x
    x = 35,528,949,207.04/215,152.50
  6. Step 6: Final answer
    x = 165,133.79

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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.