Home / 276,955.28-382,209.42-156,101.60

Finding the Fourth Proportional to 276,955.28, 382,209.42 and 156,101.60

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Solution

The fourth proportional to 276,955.28, 382,209.42 and 156,101.60 is: 215,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,955.28 : 382,209.42 = 156,101.60 : x
  2. Step 2: Convert to fraction form
    276,955.28/382,209.42 = 156,101.60/x
  3. Step 3: Cross multiply
    276,955.28x = 382,209.42 × 156,101.60
  4. Step 4: Simplify right side
    276,955.28x = 59,663,501,997.07
  5. Step 5: Solve for x
    x = 59,663,501,997.07/276,955.28
  6. Step 6: Final answer
    x = 215,426.48

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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.