Home / 106,534.40-146,955.44-68,280.34

Finding the Fourth Proportional to 106,534.40, 146,955.44 and 68,280.34

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Solution

The fourth proportional to 106,534.40, 146,955.44 and 68,280.34 is: 94,187.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,534.40 : 146,955.44 = 68,280.34 : x
  2. Step 2: Convert to fraction form
    106,534.40/146,955.44 = 68,280.34/x
  3. Step 3: Cross multiply
    106,534.40x = 146,955.44 × 68,280.34
  4. Step 4: Simplify right side
    106,534.40x = 10,034,167,408.05
  5. Step 5: Solve for x
    x = 10,034,167,408.05/106,534.40
  6. Step 6: Final answer
    x = 94,187.11

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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.