Home / 199,031.32-274,650.78-109,607.32

Finding the Fourth Proportional to 199,031.32, 274,650.78 and 109,607.32

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Solution

The fourth proportional to 199,031.32, 274,650.78 and 109,607.32 is: 151,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,031.32 : 274,650.78 = 109,607.32 : x
  2. Step 2: Convert to fraction form
    199,031.32/274,650.78 = 109,607.32/x
  3. Step 3: Cross multiply
    199,031.32x = 274,650.78 × 109,607.32
  4. Step 4: Simplify right side
    199,031.32x = 30,103,735,931.71
  5. Step 5: Solve for x
    x = 30,103,735,931.71/199,031.32
  6. Step 6: Final answer
    x = 151,251.25

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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.