Home / 314,721.87-472,494.35-186,871.60

Finding the Fourth Proportional to 314,721.87, 472,494.35 and 186,871.60

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Solution

The fourth proportional to 314,721.87, 472,494.35 and 186,871.60 is: 280,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,721.87 : 472,494.35 = 186,871.60 : x
  2. Step 2: Convert to fraction form
    314,721.87/472,494.35 = 186,871.60/x
  3. Step 3: Cross multiply
    314,721.87x = 472,494.35 × 186,871.60
  4. Step 4: Simplify right side
    314,721.87x = 88,295,775,175.46
  5. Step 5: Solve for x
    x = 88,295,775,175.46/314,721.87
  6. Step 6: Final answer
    x = 280,551.76

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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.