Home / 122,822.76-169,498.71-69,109.68

Finding the Fourth Proportional to 122,822.76, 169,498.71 and 69,109.68

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Solution

The fourth proportional to 122,822.76, 169,498.71 and 69,109.68 is: 95,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,822.76 : 169,498.71 = 69,109.68 : x
  2. Step 2: Convert to fraction form
    122,822.76/169,498.71 = 69,109.68/x
  3. Step 3: Cross multiply
    122,822.76x = 169,498.71 × 69,109.68
  4. Step 4: Simplify right side
    122,822.76x = 11,714,002,058.97
  5. Step 5: Solve for x
    x = 11,714,002,058.97/122,822.76
  6. Step 6: Final answer
    x = 95,373.22

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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.