Home / 170,742.20-256,113.30-117,598.10

Finding the Fourth Proportional to 170,742.20, 256,113.30 and 117,598.10

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Solution

The fourth proportional to 170,742.20, 256,113.30 and 117,598.10 is: 176,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,742.20 : 256,113.30 = 117,598.10 : x
  2. Step 2: Convert to fraction form
    170,742.20/256,113.30 = 117,598.10/x
  3. Step 3: Cross multiply
    170,742.20x = 256,113.30 × 117,598.10
  4. Step 4: Simplify right side
    170,742.20x = 30,118,437,464.73
  5. Step 5: Solve for x
    x = 30,118,437,464.73/170,742.20
  6. Step 6: Final answer
    x = 176,397.15

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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.