Home / 369,575.02-510,014.78-199,810.36

Finding the Fourth Proportional to 369,575.02, 510,014.78 and 199,810.36

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Solution

The fourth proportional to 369,575.02, 510,014.78 and 199,810.36 is: 275,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,575.02 : 510,014.78 = 199,810.36 : x
  2. Step 2: Convert to fraction form
    369,575.02/510,014.78 = 199,810.36/x
  3. Step 3: Cross multiply
    369,575.02x = 510,014.78 × 199,810.36
  4. Step 4: Simplify right side
    369,575.02x = 101,906,236,797.12
  5. Step 5: Solve for x
    x = 101,906,236,797.12/369,575.02
  6. Step 6: Final answer
    x = 275,738.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.