Home / 171,057.20-256,585.80-152,686.40

Finding the Fourth Proportional to 171,057.20, 256,585.80 and 152,686.40

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Solution

The fourth proportional to 171,057.20, 256,585.80 and 152,686.40 is: 229,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,057.20 : 256,585.80 = 152,686.40 : x
  2. Step 2: Convert to fraction form
    171,057.20/256,585.80 = 152,686.40/x
  3. Step 3: Cross multiply
    171,057.20x = 256,585.80 × 152,686.40
  4. Step 4: Simplify right side
    171,057.20x = 39,177,162,093.12
  5. Step 5: Solve for x
    x = 39,177,162,093.12/171,057.20
  6. Step 6: Final answer
    x = 229,029.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.