Home / 352,334.35-528,435.10-99,612.83

Finding the Fourth Proportional to 352,334.35, 528,435.10 and 99,612.83

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Solution

The fourth proportional to 352,334.35, 528,435.10 and 99,612.83 is: 149,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,334.35 : 528,435.10 = 99,612.83 : x
  2. Step 2: Convert to fraction form
    352,334.35/528,435.10 = 99,612.83/x
  3. Step 3: Cross multiply
    352,334.35x = 528,435.10 × 99,612.83
  4. Step 4: Simplify right side
    352,334.35x = 52,638,916,854.39
  5. Step 5: Solve for x
    x = 52,638,916,854.39/352,334.35
  6. Step 6: Final answer
    x = 149,400.47

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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.