Home / 199,395.72-275,223.02-113,401.08

Finding the Fourth Proportional to 199,395.72, 275,223.02 and 113,401.08

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Solution

The fourth proportional to 199,395.72, 275,223.02 and 113,401.08 is: 156,525.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,395.72 : 275,223.02 = 113,401.08 : x
  2. Step 2: Convert to fraction form
    199,395.72/275,223.02 = 113,401.08/x
  3. Step 3: Cross multiply
    199,395.72x = 275,223.02 × 113,401.08
  4. Step 4: Simplify right side
    199,395.72x = 31,210,587,141.86
  5. Step 5: Solve for x
    x = 31,210,587,141.86/199,395.72
  6. Step 6: Final answer
    x = 156,525.86

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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.