Home / 134,583.32-185,724.05-74,152.55

Finding the Fourth Proportional to 134,583.32, 185,724.05 and 74,152.55

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Solution

The fourth proportional to 134,583.32, 185,724.05 and 74,152.55 is: 102,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,583.32 : 185,724.05 = 74,152.55 : x
  2. Step 2: Convert to fraction form
    134,583.32/185,724.05 = 74,152.55/x
  3. Step 3: Cross multiply
    134,583.32x = 185,724.05 × 74,152.55
  4. Step 4: Simplify right side
    134,583.32x = 13,771,912,553.52
  5. Step 5: Solve for x
    x = 13,771,912,553.52/134,583.32
  6. Step 6: Final answer
    x = 102,330.01

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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.