Home / 302,566.20-453,849.30-77,926.20

Finding the Fourth Proportional to 302,566.20, 453,849.30 and 77,926.20

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Solution

The fourth proportional to 302,566.20, 453,849.30 and 77,926.20 is: 116,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,566.20 : 453,849.30 = 77,926.20 : x
  2. Step 2: Convert to fraction form
    302,566.20/453,849.30 = 77,926.20/x
  3. Step 3: Cross multiply
    302,566.20x = 453,849.30 × 77,926.20
  4. Step 4: Simplify right side
    302,566.20x = 35,366,751,321.66
  5. Step 5: Solve for x
    x = 35,366,751,321.66/302,566.20
  6. Step 6: Final answer
    x = 116,889.30

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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.