Home / 122,858.34-169,549.96-69,146.83

Finding the Fourth Proportional to 122,858.34, 169,549.96 and 69,146.83

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Solution

The fourth proportional to 122,858.34, 169,549.96 and 69,146.83 is: 95,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,858.34 : 169,549.96 = 69,146.83 : x
  2. Step 2: Convert to fraction form
    122,858.34/169,549.96 = 69,146.83/x
  3. Step 3: Cross multiply
    122,858.34x = 169,549.96 × 69,146.83
  4. Step 4: Simplify right side
    122,858.34x = 11,723,842,429.35
  5. Step 5: Solve for x
    x = 11,723,842,429.35/122,858.34
  6. Step 6: Final answer
    x = 95,425.70

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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.