Home / 352,018.80-528,023.40-115,369.20

Finding the Fourth Proportional to 352,018.80, 528,023.40 and 115,369.20

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Solution

The fourth proportional to 352,018.80, 528,023.40 and 115,369.20 is: 173,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,018.80 : 528,023.40 = 115,369.20 : x
  2. Step 2: Convert to fraction form
    352,018.80/528,023.40 = 115,369.20/x
  3. Step 3: Cross multiply
    352,018.80x = 528,023.40 × 115,369.20
  4. Step 4: Simplify right side
    352,018.80x = 60,917,637,239.28
  5. Step 5: Solve for x
    x = 60,917,637,239.28/352,018.80
  6. Step 6: Final answer
    x = 173,052.23

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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.