Home / 352,248.16-528,579.60-130,787.68

Finding the Fourth Proportional to 352,248.16, 528,579.60 and 130,787.68

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Solution

The fourth proportional to 352,248.16, 528,579.60 and 130,787.68 is: 196,258.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,248.16 : 528,579.60 = 130,787.68 : x
  2. Step 2: Convert to fraction form
    352,248.16/528,579.60 = 130,787.68/x
  3. Step 3: Cross multiply
    352,248.16x = 528,579.60 × 130,787.68
  4. Step 4: Simplify right side
    352,248.16x = 69,131,699,579.33
  5. Step 5: Solve for x
    x = 69,131,699,579.33/352,248.16
  6. Step 6: Final answer
    x = 196,258.51

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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.