Home / 256,633.04-354,137.52-141,908.72

Finding the Fourth Proportional to 256,633.04, 354,137.52 and 141,908.72

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Solution

The fourth proportional to 256,633.04, 354,137.52 and 141,908.72 is: 195,825.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,633.04 : 354,137.52 = 141,908.72 : x
  2. Step 2: Convert to fraction form
    256,633.04/354,137.52 = 141,908.72/x
  3. Step 3: Cross multiply
    256,633.04x = 354,137.52 × 141,908.72
  4. Step 4: Simplify right side
    256,633.04x = 50,255,202,167.17
  5. Step 5: Solve for x
    x = 50,255,202,167.17/256,633.04
  6. Step 6: Final answer
    x = 195,825.14

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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.