Home / 122,534.53-169,077.78-76,588.75

Finding the Fourth Proportional to 122,534.53, 169,077.78 and 76,588.75

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Solution

The fourth proportional to 122,534.53, 169,077.78 and 76,588.75 is: 105,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,534.53 : 169,077.78 = 76,588.75 : x
  2. Step 2: Convert to fraction form
    122,534.53/169,077.78 = 76,588.75/x
  3. Step 3: Cross multiply
    122,534.53x = 169,077.78 × 76,588.75
  4. Step 4: Simplify right side
    122,534.53x = 12,949,455,822.98
  5. Step 5: Solve for x
    x = 12,949,455,822.98/122,534.53
  6. Step 6: Final answer
    x = 105,680.05

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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.