Home / 256,894.41-354,509.19-142,166.36

Finding the Fourth Proportional to 256,894.41, 354,509.19 and 142,166.36

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Solution

The fourth proportional to 256,894.41, 354,509.19 and 142,166.36 is: 196,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,894.41 : 354,509.19 = 142,166.36 : x
  2. Step 2: Convert to fraction form
    256,894.41/354,509.19 = 142,166.36/x
  3. Step 3: Cross multiply
    256,894.41x = 354,509.19 × 142,166.36
  4. Step 4: Simplify right side
    256,894.41x = 50,399,279,356.30
  5. Step 5: Solve for x
    x = 50,399,279,356.30/256,894.41
  6. Step 6: Final answer
    x = 196,186.75

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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.