Home / 256,760.28-354,322.56-142,035.93

Finding the Fourth Proportional to 256,760.28, 354,322.56 and 142,035.93

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Solution

The fourth proportional to 256,760.28, 354,322.56 and 142,035.93 is: 196,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,760.28 : 354,322.56 = 142,035.93 : x
  2. Step 2: Convert to fraction form
    256,760.28/354,322.56 = 142,035.93/x
  3. Step 3: Cross multiply
    256,760.28x = 354,322.56 × 142,035.93
  4. Step 4: Simplify right side
    256,760.28x = 50,326,534,329.58
  5. Step 5: Solve for x
    x = 50,326,534,329.58/256,760.28
  6. Step 6: Final answer
    x = 196,005.92

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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.