Home / 199,209.32-298,729.74-66,053.96

Finding the Fourth Proportional to 199,209.32, 298,729.74 and 66,053.96

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Solution

The fourth proportional to 199,209.32, 298,729.74 and 66,053.96 is: 99,053.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,209.32 : 298,729.74 = 66,053.96 : x
  2. Step 2: Convert to fraction form
    199,209.32/298,729.74 = 66,053.96/x
  3. Step 3: Cross multiply
    199,209.32x = 298,729.74 × 66,053.96
  4. Step 4: Simplify right side
    199,209.32x = 19,732,282,296.77
  5. Step 5: Solve for x
    x = 19,732,282,296.77/199,209.32
  6. Step 6: Final answer
    x = 99,053.01

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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.