Home / 256,229.18-353,590.20-141,505.53

Finding the Fourth Proportional to 256,229.18, 353,590.20 and 141,505.53

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Solution

The fourth proportional to 256,229.18, 353,590.20 and 141,505.53 is: 195,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,229.18 : 353,590.20 = 141,505.53 : x
  2. Step 2: Convert to fraction form
    256,229.18/353,590.20 = 141,505.53/x
  3. Step 3: Cross multiply
    256,229.18x = 353,590.20 × 141,505.53
  4. Step 4: Simplify right side
    256,229.18x = 50,034,968,653.81
  5. Step 5: Solve for x
    x = 50,034,968,653.81/256,229.18
  6. Step 6: Final answer
    x = 195,274.28

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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.