Home / 180,561.05-270,693.80-68,177.50

Finding the Fourth Proportional to 180,561.05, 270,693.80 and 68,177.50

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Solution

The fourth proportional to 180,561.05, 270,693.80 and 68,177.50 is: 102,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,561.05 : 270,693.80 = 68,177.50 : x
  2. Step 2: Convert to fraction form
    180,561.05/270,693.80 = 68,177.50/x
  3. Step 3: Cross multiply
    180,561.05x = 270,693.80 × 68,177.50
  4. Step 4: Simplify right side
    180,561.05x = 18,455,225,787.54
  5. Step 5: Solve for x
    x = 18,455,225,787.54/180,561.05
  6. Step 6: Final answer
    x = 102,210.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.