Home / 170,947.24-256,431.80-65,766.21

Finding the Fourth Proportional to 170,947.24, 256,431.80 and 65,766.21

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Solution

The fourth proportional to 170,947.24, 256,431.80 and 65,766.21 is: 98,653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,947.24 : 256,431.80 = 65,766.21 : x
  2. Step 2: Convert to fraction form
    170,947.24/256,431.80 = 65,766.21/x
  3. Step 3: Cross multiply
    170,947.24x = 256,431.80 × 65,766.21
  4. Step 4: Simplify right side
    170,947.24x = 16,864,547,609.48
  5. Step 5: Solve for x
    x = 16,864,547,609.48/170,947.24
  6. Step 6: Final answer
    x = 98,653.52

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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.