Home / 369,175.23-509,462.01-199,409.36

Finding the Fourth Proportional to 369,175.23, 509,462.01 and 199,409.36

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Solution

The fourth proportional to 369,175.23, 509,462.01 and 199,409.36 is: 275,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,175.23 : 509,462.01 = 199,409.36 : x
  2. Step 2: Convert to fraction form
    369,175.23/509,462.01 = 199,409.36/x
  3. Step 3: Cross multiply
    369,175.23x = 509,462.01 × 199,409.36
  4. Step 4: Simplify right side
    369,175.23x = 101,591,490,811.10
  5. Step 5: Solve for x
    x = 101,591,490,811.10/369,175.23
  6. Step 6: Final answer
    x = 275,185.01

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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.