Home / 369,577.10-510,016.34-199,811.22

Finding the Fourth Proportional to 369,577.10, 510,016.34 and 199,811.22

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Solution

The fourth proportional to 369,577.10, 510,016.34 and 199,811.22 is: 275,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,577.10 : 510,016.34 = 199,811.22 : x
  2. Step 2: Convert to fraction form
    369,577.10/510,016.34 = 199,811.22/x
  3. Step 3: Cross multiply
    369,577.10x = 510,016.34 × 199,811.22
  4. Step 4: Simplify right side
    369,577.10x = 101,906,986,116.28
  5. Step 5: Solve for x
    x = 101,906,986,116.28/369,577.10
  6. Step 6: Final answer
    x = 275,739.45

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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.