Home / 134,601.92-185,758.78-74,172.46

Finding the Fourth Proportional to 134,601.92, 185,758.78 and 74,172.46

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Solution

The fourth proportional to 134,601.92, 185,758.78 and 74,172.46 is: 102,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,601.92 : 185,758.78 = 74,172.46 : x
  2. Step 2: Convert to fraction form
    134,601.92/185,758.78 = 74,172.46/x
  3. Step 3: Cross multiply
    134,601.92x = 185,758.78 × 74,172.46
  4. Step 4: Simplify right side
    134,601.92x = 13,778,185,679.20
  5. Step 5: Solve for x
    x = 13,778,185,679.20/134,601.92
  6. Step 6: Final answer
    x = 102,362.48

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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.