Home / 170,853.40-256,280.10-65,675.80

Finding the Fourth Proportional to 170,853.40, 256,280.10 and 65,675.80

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Solution

The fourth proportional to 170,853.40, 256,280.10 and 65,675.80 is: 98,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,853.40 : 256,280.10 = 65,675.80 : x
  2. Step 2: Convert to fraction form
    170,853.40/256,280.10 = 65,675.80/x
  3. Step 3: Cross multiply
    170,853.40x = 256,280.10 × 65,675.80
  4. Step 4: Simplify right side
    170,853.40x = 16,831,400,591.58
  5. Step 5: Solve for x
    x = 16,831,400,591.58/170,853.40
  6. Step 6: Final answer
    x = 98,513.70

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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.