Home / 117,615.11-162,307.97-63,900.57

Finding the Fourth Proportional to 117,615.11, 162,307.97 and 63,900.57

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Solution

The fourth proportional to 117,615.11, 162,307.97 and 63,900.57 is: 88,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,615.11 : 162,307.97 = 63,900.57 : x
  2. Step 2: Convert to fraction form
    117,615.11/162,307.97 = 63,900.57/x
  3. Step 3: Cross multiply
    117,615.11x = 162,307.97 × 63,900.57
  4. Step 4: Simplify right side
    117,615.11x = 10,371,571,146.75
  5. Step 5: Solve for x
    x = 10,371,571,146.75/117,615.11
  6. Step 6: Final answer
    x = 88,182.30

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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.