Home / 256,011.14-353,294.78-148,644.02

Finding the Fourth Proportional to 256,011.14, 353,294.78 and 148,644.02

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Solution

The fourth proportional to 256,011.14, 353,294.78 and 148,644.02 is: 205,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,011.14 : 353,294.78 = 148,644.02 : x
  2. Step 2: Convert to fraction form
    256,011.14/353,294.78 = 148,644.02/x
  3. Step 3: Cross multiply
    256,011.14x = 353,294.78 × 148,644.02
  4. Step 4: Simplify right side
    256,011.14x = 52,515,156,344.22
  5. Step 5: Solve for x
    x = 52,515,156,344.22/256,011.14
  6. Step 6: Final answer
    x = 205,128.40

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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.