Home / 256,665.05-354,200.12-141,937.76

Finding the Fourth Proportional to 256,665.05, 354,200.12 and 141,937.76

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Solution

The fourth proportional to 256,665.05, 354,200.12 and 141,937.76 is: 195,875.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,665.05 : 354,200.12 = 141,937.76 : x
  2. Step 2: Convert to fraction form
    256,665.05/354,200.12 = 141,937.76/x
  3. Step 3: Cross multiply
    256,665.05x = 354,200.12 × 141,937.76
  4. Step 4: Simplify right side
    256,665.05x = 50,274,371,800.34
  5. Step 5: Solve for x
    x = 50,274,371,800.34/256,665.05
  6. Step 6: Final answer
    x = 195,875.41

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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.