Home / 260,338.20-389,953.54-153,607.12

Finding the Fourth Proportional to 260,338.20, 389,953.54 and 153,607.12

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Solution

The fourth proportional to 260,338.20, 389,953.54 and 153,607.12 is: 230,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,338.20 : 389,953.54 = 153,607.12 : x
  2. Step 2: Convert to fraction form
    260,338.20/389,953.54 = 153,607.12/x
  3. Step 3: Cross multiply
    260,338.20x = 389,953.54 × 153,607.12
  4. Step 4: Simplify right side
    260,338.20x = 59,899,640,213.20
  5. Step 5: Solve for x
    x = 59,899,640,213.20/260,338.20
  6. Step 6: Final answer
    x = 230,083.95

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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.