Home / 117,137.04-161,648.88-63,422.10

Finding the Fourth Proportional to 117,137.04, 161,648.88 and 63,422.10

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Solution

The fourth proportional to 117,137.04, 161,648.88 and 63,422.10 is: 87,522.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,137.04 : 161,648.88 = 63,422.10 : x
  2. Step 2: Convert to fraction form
    117,137.04/161,648.88 = 63,422.10/x
  3. Step 3: Cross multiply
    117,137.04x = 161,648.88 × 63,422.10
  4. Step 4: Simplify right side
    117,137.04x = 10,252,111,432.25
  5. Step 5: Solve for x
    x = 10,252,111,432.25/117,137.04
  6. Step 6: Final answer
    x = 87,522.37

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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.