Home / 276,994.04-382,240.68-156,160.40

Finding the Fourth Proportional to 276,994.04, 382,240.68 and 156,160.40

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Solution

The fourth proportional to 276,994.04, 382,240.68 and 156,160.40 is: 215,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,994.04 : 382,240.68 = 156,160.40 : x
  2. Step 2: Convert to fraction form
    276,994.04/382,240.68 = 156,160.40/x
  3. Step 3: Cross multiply
    276,994.04x = 382,240.68 × 156,160.40
  4. Step 4: Simplify right side
    276,994.04x = 59,690,857,485.07
  5. Step 5: Solve for x
    x = 59,690,857,485.07/276,994.04
  6. Step 6: Final answer
    x = 215,495.10

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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.