Home / 170,826.80-256,240.20-76,056.80

Finding the Fourth Proportional to 170,826.80, 256,240.20 and 76,056.80

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Solution

The fourth proportional to 170,826.80, 256,240.20 and 76,056.80 is: 114,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,826.80 : 256,240.20 = 76,056.80 : x
  2. Step 2: Convert to fraction form
    170,826.80/256,240.20 = 76,056.80/x
  3. Step 3: Cross multiply
    170,826.80x = 256,240.20 × 76,056.80
  4. Step 4: Simplify right side
    170,826.80x = 19,488,809,643.36
  5. Step 5: Solve for x
    x = 19,488,809,643.36/170,826.80
  6. Step 6: Final answer
    x = 114,085.20

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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.