Home / 276,875.56-382,096.21-156,010.20

Finding the Fourth Proportional to 276,875.56, 382,096.21 and 156,010.20

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Solution

The fourth proportional to 276,875.56, 382,096.21 and 156,010.20 is: 215,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,875.56 : 382,096.21 = 156,010.20 : x
  2. Step 2: Convert to fraction form
    276,875.56/382,096.21 = 156,010.20/x
  3. Step 3: Cross multiply
    276,875.56x = 382,096.21 × 156,010.20
  4. Step 4: Simplify right side
    276,875.56x = 59,610,906,141.34
  5. Step 5: Solve for x
    x = 59,610,906,141.34/276,875.56
  6. Step 6: Final answer
    x = 215,298.55

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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.