Home / 277,049.28-382,298.76-156,187.56

Finding the Fourth Proportional to 277,049.28, 382,298.76 and 156,187.56

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Solution

The fourth proportional to 277,049.28, 382,298.76 and 156,187.56 is: 215,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,049.28 : 382,298.76 = 156,187.56 : x
  2. Step 2: Convert to fraction form
    277,049.28/382,298.76 = 156,187.56/x
  3. Step 3: Cross multiply
    277,049.28x = 382,298.76 × 156,187.56
  4. Step 4: Simplify right side
    277,049.28x = 59,710,310,515.43
  5. Step 5: Solve for x
    x = 59,710,310,515.43/277,049.28
  6. Step 6: Final answer
    x = 215,522.35

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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.