Home / 117,701.52-162,431.28-63,990.23

Finding the Fourth Proportional to 117,701.52, 162,431.28 and 63,990.23

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Solution

The fourth proportional to 117,701.52, 162,431.28 and 63,990.23 is: 88,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,701.52 : 162,431.28 = 63,990.23 : x
  2. Step 2: Convert to fraction form
    117,701.52/162,431.28 = 63,990.23/x
  3. Step 3: Cross multiply
    117,701.52x = 162,431.28 × 63,990.23
  4. Step 4: Simplify right side
    117,701.52x = 10,394,014,154.24
  5. Step 5: Solve for x
    x = 10,394,014,154.24/117,701.52
  6. Step 6: Final answer
    x = 88,308.24

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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.