Home / 256,290.02-353,678.82-141,576.56

Finding the Fourth Proportional to 256,290.02, 353,678.82 and 141,576.56

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Solution

The fourth proportional to 256,290.02, 353,678.82 and 141,576.56 is: 195,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,290.02 : 353,678.82 = 141,576.56 : x
  2. Step 2: Convert to fraction form
    256,290.02/353,678.82 = 141,576.56/x
  3. Step 3: Cross multiply
    256,290.02x = 353,678.82 × 141,576.56
  4. Step 4: Simplify right side
    256,290.02x = 50,072,630,680.46
  5. Step 5: Solve for x
    x = 50,072,630,680.46/256,290.02
  6. Step 6: Final answer
    x = 195,374.88

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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.