Home / 346,317.20-519,621.60-188,658.80

Finding the Fourth Proportional to 346,317.20, 519,621.60 and 188,658.80

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Solution

The fourth proportional to 346,317.20, 519,621.60 and 188,658.80 is: 283,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,317.20 : 519,621.60 = 188,658.80 : x
  2. Step 2: Convert to fraction form
    346,317.20/519,621.60 = 188,658.80/x
  3. Step 3: Cross multiply
    346,317.20x = 519,621.60 × 188,658.80
  4. Step 4: Simplify right side
    346,317.20x = 98,031,187,510.08
  5. Step 5: Solve for x
    x = 98,031,187,510.08/346,317.20
  6. Step 6: Final answer
    x = 283,067.63

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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.