Home / 122,114.30-183,171.45-109,672.70

Finding the Fourth Proportional to 122,114.30, 183,171.45 and 109,672.70

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Solution

The fourth proportional to 122,114.30, 183,171.45 and 109,672.70 is: 164,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,114.30 : 183,171.45 = 109,672.70 : x
  2. Step 2: Convert to fraction form
    122,114.30/183,171.45 = 109,672.70/x
  3. Step 3: Cross multiply
    122,114.30x = 183,171.45 × 109,672.70
  4. Step 4: Simplify right side
    122,114.30x = 20,088,907,484.42
  5. Step 5: Solve for x
    x = 20,088,907,484.42/122,114.30
  6. Step 6: Final answer
    x = 164,509.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.