Home / 262,428.30-393,642.45-181,946.70

Finding the Fourth Proportional to 262,428.30, 393,642.45 and 181,946.70

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Solution

The fourth proportional to 262,428.30, 393,642.45 and 181,946.70 is: 272,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,428.30 : 393,642.45 = 181,946.70 : x
  2. Step 2: Convert to fraction form
    262,428.30/393,642.45 = 181,946.70/x
  3. Step 3: Cross multiply
    262,428.30x = 393,642.45 × 181,946.70
  4. Step 4: Simplify right side
    262,428.30x = 71,621,944,757.42
  5. Step 5: Solve for x
    x = 71,621,944,757.42/262,428.30
  6. Step 6: Final answer
    x = 272,920.05

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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.