Home / 170,776.20-256,209.10-65,598.60

Finding the Fourth Proportional to 170,776.20, 256,209.10 and 65,598.60

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Solution

The fourth proportional to 170,776.20, 256,209.10 and 65,598.60 is: 98,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,776.20 : 256,209.10 = 65,598.60 : x
  2. Step 2: Convert to fraction form
    170,776.20/256,209.10 = 65,598.60/x
  3. Step 3: Cross multiply
    170,776.20x = 256,209.10 × 65,598.60
  4. Step 4: Simplify right side
    170,776.20x = 16,806,958,267.26
  5. Step 5: Solve for x
    x = 16,806,958,267.26/170,776.20
  6. Step 6: Final answer
    x = 98,415.11

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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.