Home / 256,096.47-353,432.69-141,397.20

Finding the Fourth Proportional to 256,096.47, 353,432.69 and 141,397.20

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Solution

The fourth proportional to 256,096.47, 353,432.69 and 141,397.20 is: 195,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,096.47 : 353,432.69 = 141,397.20 : x
  2. Step 2: Convert to fraction form
    256,096.47/353,432.69 = 141,397.20/x
  3. Step 3: Cross multiply
    256,096.47x = 353,432.69 × 141,397.20
  4. Step 4: Simplify right side
    256,096.47x = 49,974,392,047.48
  5. Step 5: Solve for x
    x = 49,974,392,047.48/256,096.47
  6. Step 6: Final answer
    x = 195,138.93

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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.