Home / 352,045.10-528,067.65-115,411.70

Finding the Fourth Proportional to 352,045.10, 528,067.65 and 115,411.70

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Solution

The fourth proportional to 352,045.10, 528,067.65 and 115,411.70 is: 173,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,045.10 : 528,067.65 = 115,411.70 : x
  2. Step 2: Convert to fraction form
    352,045.10/528,067.65 = 115,411.70/x
  3. Step 3: Cross multiply
    352,045.10x = 528,067.65 × 115,411.70
  4. Step 4: Simplify right side
    352,045.10x = 60,945,185,201.51
  5. Step 5: Solve for x
    x = 60,945,185,201.51/352,045.10
  6. Step 6: Final answer
    x = 173,117.55

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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.