Home / 276,993.04-382,239.30-156,159.40

Finding the Fourth Proportional to 276,993.04, 382,239.30 and 156,159.40

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Solution

The fourth proportional to 276,993.04, 382,239.30 and 156,159.40 is: 215,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,993.04 : 382,239.30 = 156,159.40 : x
  2. Step 2: Convert to fraction form
    276,993.04/382,239.30 = 156,159.40/x
  3. Step 3: Cross multiply
    276,993.04x = 382,239.30 × 156,159.40
  4. Step 4: Simplify right side
    276,993.04x = 59,690,259,744.42
  5. Step 5: Solve for x
    x = 59,690,259,744.42/276,993.04
  6. Step 6: Final answer
    x = 215,493.72

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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.