Home / 122,666.40-169,297.56-68,955.84

Finding the Fourth Proportional to 122,666.40, 169,297.56 and 68,955.84

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Solution

The fourth proportional to 122,666.40, 169,297.56 and 68,955.84 is: 95,169.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,666.40 : 169,297.56 = 68,955.84 : x
  2. Step 2: Convert to fraction form
    122,666.40/169,297.56 = 68,955.84/x
  3. Step 3: Cross multiply
    122,666.40x = 169,297.56 × 68,955.84
  4. Step 4: Simplify right side
    122,666.40x = 11,674,055,459.75
  5. Step 5: Solve for x
    x = 11,674,055,459.75/122,666.40
  6. Step 6: Final answer
    x = 95,169.14

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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.