Home / 113,122.64-156,098.32-67,799.84

Finding the Fourth Proportional to 113,122.64, 156,098.32 and 67,799.84

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Solution

The fourth proportional to 113,122.64, 156,098.32 and 67,799.84 is: 93,557.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,122.64 : 156,098.32 = 67,799.84 : x
  2. Step 2: Convert to fraction form
    113,122.64/156,098.32 = 67,799.84/x
  3. Step 3: Cross multiply
    113,122.64x = 156,098.32 × 67,799.84
  4. Step 4: Simplify right side
    113,122.64x = 10,583,441,120.27
  5. Step 5: Solve for x
    x = 10,583,441,120.27/113,122.64
  6. Step 6: Final answer
    x = 93,557.23

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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.