Home / 117,538.07-162,203.13-63,823.05

Finding the Fourth Proportional to 117,538.07, 162,203.13 and 63,823.05

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Solution

The fourth proportional to 117,538.07, 162,203.13 and 63,823.05 is: 88,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,538.07 : 162,203.13 = 63,823.05 : x
  2. Step 2: Convert to fraction form
    117,538.07/162,203.13 = 63,823.05/x
  3. Step 3: Cross multiply
    117,538.07x = 162,203.13 × 63,823.05
  4. Step 4: Simplify right side
    117,538.07x = 10,352,298,476.15
  5. Step 5: Solve for x
    x = 10,352,298,476.15/117,538.07
  6. Step 6: Final answer
    x = 88,076.13

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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.