Home / 122,828.48-169,501.28-69,113.44

Finding the Fourth Proportional to 122,828.48, 169,501.28 and 69,113.44

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Solution

The fourth proportional to 122,828.48, 169,501.28 and 69,113.44 is: 95,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,828.48 : 169,501.28 = 69,113.44 : x
  2. Step 2: Convert to fraction form
    122,828.48/169,501.28 = 69,113.44/x
  3. Step 3: Cross multiply
    122,828.48x = 169,501.28 × 69,113.44
  4. Step 4: Simplify right side
    122,828.48x = 11,714,816,545.20
  5. Step 5: Solve for x
    x = 11,714,816,545.20/122,828.48
  6. Step 6: Final answer
    x = 95,375.41

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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.