Home / 256,058.20-353,307.55-147,141.50

Finding the Fourth Proportional to 256,058.20, 353,307.55 and 147,141.50

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Solution

The fourth proportional to 256,058.20, 353,307.55 and 147,141.50 is: 203,024.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,058.20 : 353,307.55 = 147,141.50 : x
  2. Step 2: Convert to fraction form
    256,058.20/353,307.55 = 147,141.50/x
  3. Step 3: Cross multiply
    256,058.20x = 353,307.55 × 147,141.50
  4. Step 4: Simplify right side
    256,058.20x = 51,986,202,868.33
  5. Step 5: Solve for x
    x = 51,986,202,868.33/256,058.20
  6. Step 6: Final answer
    x = 203,024.95

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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.