Home / 185,907.08-278,632.20-85,932.02

Finding the Fourth Proportional to 185,907.08, 278,632.20 and 85,932.02

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Solution

The fourth proportional to 185,907.08, 278,632.20 and 85,932.02 is: 128,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,907.08 : 278,632.20 = 85,932.02 : x
  2. Step 2: Convert to fraction form
    185,907.08/278,632.20 = 85,932.02/x
  3. Step 3: Cross multiply
    185,907.08x = 278,632.20 × 85,932.02
  4. Step 4: Simplify right side
    185,907.08x = 23,943,427,783.04
  5. Step 5: Solve for x
    x = 23,943,427,783.04/185,907.08
  6. Step 6: Final answer
    x = 128,792.45

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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.