Home / 122,866.08-169,563.60-69,156.24

Finding the Fourth Proportional to 122,866.08, 169,563.60 and 69,156.24

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Solution

The fourth proportional to 122,866.08, 169,563.60 and 69,156.24 is: 95,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,866.08 : 169,563.60 = 69,156.24 : x
  2. Step 2: Convert to fraction form
    122,866.08/169,563.60 = 69,156.24/x
  3. Step 3: Cross multiply
    122,866.08x = 169,563.60 × 69,156.24
  4. Step 4: Simplify right side
    122,866.08x = 11,726,381,016.86
  5. Step 5: Solve for x
    x = 11,726,381,016.86/122,866.08
  6. Step 6: Final answer
    x = 95,440.34

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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.