Home / 256,209.50-353,542.25-148,758.54

Finding the Fourth Proportional to 256,209.50, 353,542.25 and 148,758.54

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Solution

The fourth proportional to 256,209.50, 353,542.25 and 148,758.54 is: 205,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,209.50 : 353,542.25 = 148,758.54 : x
  2. Step 2: Convert to fraction form
    256,209.50/353,542.25 = 148,758.54/x
  3. Step 3: Cross multiply
    256,209.50x = 353,542.25 × 148,758.54
  4. Step 4: Simplify right side
    256,209.50x = 52,592,428,938.32
  5. Step 5: Solve for x
    x = 52,592,428,938.32/256,209.50
  6. Step 6: Final answer
    x = 205,271.19

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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.