Home / 117,615.28-162,307.12-63,901.12

Finding the Fourth Proportional to 117,615.28, 162,307.12 and 63,901.12

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Solution

The fourth proportional to 117,615.28, 162,307.12 and 63,901.12 is: 88,182.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,615.28 : 162,307.12 = 63,901.12 : x
  2. Step 2: Convert to fraction form
    117,615.28/162,307.12 = 63,901.12/x
  3. Step 3: Cross multiply
    117,615.28x = 162,307.12 × 63,901.12
  4. Step 4: Simplify right side
    117,615.28x = 10,371,606,751.97
  5. Step 5: Solve for x
    x = 10,371,606,751.97/117,615.28
  6. Step 6: Final answer
    x = 88,182.48

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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.