Home / 109,266.06-163,911.78-38,166.70

Finding the Fourth Proportional to 109,266.06, 163,911.78 and 38,166.70

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Solution

The fourth proportional to 109,266.06, 163,911.78 and 38,166.70 is: 57,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,266.06 : 163,911.78 = 38,166.70 : x
  2. Step 2: Convert to fraction form
    109,266.06/163,911.78 = 38,166.70/x
  3. Step 3: Cross multiply
    109,266.06x = 163,911.78 × 38,166.70
  4. Step 4: Simplify right side
    109,266.06x = 6,255,971,733.73
  5. Step 5: Solve for x
    x = 6,255,971,733.73/109,266.06
  6. Step 6: Final answer
    x = 57,254.48

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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.