Home / 316,383.36-436,622.04-173,155.92

Finding the Fourth Proportional to 316,383.36, 436,622.04 and 173,155.92

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Solution

The fourth proportional to 316,383.36, 436,622.04 and 173,155.92 is: 238,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,383.36 : 436,622.04 = 173,155.92 : x
  2. Step 2: Convert to fraction form
    316,383.36/436,622.04 = 173,155.92/x
  3. Step 3: Cross multiply
    316,383.36x = 436,622.04 × 173,155.92
  4. Step 4: Simplify right side
    316,383.36x = 75,603,691,028.48
  5. Step 5: Solve for x
    x = 75,603,691,028.48/316,383.36
  6. Step 6: Final answer
    x = 238,962.29

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1.5x scale

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.