Home / 117,180.38-161,708.12-63,464.17

Finding the Fourth Proportional to 117,180.38, 161,708.12 and 63,464.17

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Solution

The fourth proportional to 117,180.38, 161,708.12 and 63,464.17 is: 87,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,180.38 : 161,708.12 = 63,464.17 : x
  2. Step 2: Convert to fraction form
    117,180.38/161,708.12 = 63,464.17/x
  3. Step 3: Cross multiply
    117,180.38x = 161,708.12 × 63,464.17
  4. Step 4: Simplify right side
    117,180.38x = 10,262,670,492.20
  5. Step 5: Solve for x
    x = 10,262,670,492.20/117,180.38
  6. Step 6: Final answer
    x = 87,580.11

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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.