Home / 256,121.88-353,567.79-148,671.23

Finding the Fourth Proportional to 256,121.88, 353,567.79 and 148,671.23

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Solution

The fourth proportional to 256,121.88, 353,567.79 and 148,671.23 is: 205,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,121.88 : 353,567.79 = 148,671.23 : x
  2. Step 2: Convert to fraction form
    256,121.88/353,567.79 = 148,671.23/x
  3. Step 3: Cross multiply
    256,121.88x = 353,567.79 × 148,671.23
  4. Step 4: Simplify right side
    256,121.88x = 52,565,357,454.25
  5. Step 5: Solve for x
    x = 52,565,357,454.25/256,121.88
  6. Step 6: Final answer
    x = 205,235.72

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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.