Home / 352,278.48-528,476.40-115,557.60

Finding the Fourth Proportional to 352,278.48, 528,476.40 and 115,557.60

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Solution

The fourth proportional to 352,278.48, 528,476.40 and 115,557.60 is: 173,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,278.48 : 528,476.40 = 115,557.60 : x
  2. Step 2: Convert to fraction form
    352,278.48/528,476.40 = 115,557.60/x
  3. Step 3: Cross multiply
    352,278.48x = 528,476.40 × 115,557.60
  4. Step 4: Simplify right side
    352,278.48x = 61,069,464,440.64
  5. Step 5: Solve for x
    x = 61,069,464,440.64/352,278.48
  6. Step 6: Final answer
    x = 173,355.65

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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.