Home / 179,065.40-268,598.10-54,390.20

Finding the Fourth Proportional to 179,065.40, 268,598.10 and 54,390.20

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Solution

The fourth proportional to 179,065.40, 268,598.10 and 54,390.20 is: 81,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,065.40 : 268,598.10 = 54,390.20 : x
  2. Step 2: Convert to fraction form
    179,065.40/268,598.10 = 54,390.20/x
  3. Step 3: Cross multiply
    179,065.40x = 268,598.10 × 54,390.20
  4. Step 4: Simplify right side
    179,065.40x = 14,609,104,378.62
  5. Step 5: Solve for x
    x = 14,609,104,378.62/179,065.40
  6. Step 6: Final answer
    x = 81,585.30

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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.