Home / 122,740.63-169,380.46-69,025.63

Finding the Fourth Proportional to 122,740.63, 169,380.46 and 69,025.63

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Solution

The fourth proportional to 122,740.63, 169,380.46 and 69,025.63 is: 95,254.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,740.63 : 169,380.46 = 69,025.63 : x
  2. Step 2: Convert to fraction form
    122,740.63/169,380.46 = 69,025.63/x
  3. Step 3: Cross multiply
    122,740.63x = 169,380.46 × 69,025.63
  4. Step 4: Simplify right side
    122,740.63x = 11,691,592,961.19
  5. Step 5: Solve for x
    x = 11,691,592,961.19/122,740.63
  6. Step 6: Final answer
    x = 95,254.46

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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.