Home / 117,084.12-161,594.28-76,914.24

Finding the Fourth Proportional to 117,084.12, 161,594.28 and 76,914.24

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Solution

The fourth proportional to 117,084.12, 161,594.28 and 76,914.24 is: 106,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,084.12 : 161,594.28 = 76,914.24 : x
  2. Step 2: Convert to fraction form
    117,084.12/161,594.28 = 76,914.24/x
  3. Step 3: Cross multiply
    117,084.12x = 161,594.28 × 76,914.24
  4. Step 4: Simplify right side
    117,084.12x = 12,428,901,234.55
  5. Step 5: Solve for x
    x = 12,428,901,234.55/117,084.12
  6. Step 6: Final answer
    x = 106,153.60

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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.