Home / 215,011.80-322,364.10-96,586.20

Finding the Fourth Proportional to 215,011.80, 322,364.10 and 96,586.20

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Solution

The fourth proportional to 215,011.80, 322,364.10 and 96,586.20 is: 144,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,011.80 : 322,364.10 = 96,586.20 : x
  2. Step 2: Convert to fraction form
    215,011.80/322,364.10 = 96,586.20/x
  3. Step 3: Cross multiply
    215,011.80x = 322,364.10 × 96,586.20
  4. Step 4: Simplify right side
    215,011.80x = 31,135,923,435.42
  5. Step 5: Solve for x
    x = 31,135,923,435.42/215,011.80
  6. Step 6: Final answer
    x = 144,810.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.