Home / 314,845.40-472,268.10-165,027.80

Finding the Fourth Proportional to 314,845.40, 472,268.10 and 165,027.80

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Solution

The fourth proportional to 314,845.40, 472,268.10 and 165,027.80 is: 247,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,845.40 : 472,268.10 = 165,027.80 : x
  2. Step 2: Convert to fraction form
    314,845.40/472,268.10 = 165,027.80/x
  3. Step 3: Cross multiply
    314,845.40x = 472,268.10 × 165,027.80
  4. Step 4: Simplify right side
    314,845.40x = 77,937,365,553.18
  5. Step 5: Solve for x
    x = 77,937,365,553.18/314,845.40
  6. Step 6: Final answer
    x = 247,541.70

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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.