Home / 352,050.80-528,076.20-115,417.40

Finding the Fourth Proportional to 352,050.80, 528,076.20 and 115,417.40

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Solution

The fourth proportional to 352,050.80, 528,076.20 and 115,417.40 is: 173,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,050.80 : 528,076.20 = 115,417.40 : x
  2. Step 2: Convert to fraction form
    352,050.80/528,076.20 = 115,417.40/x
  3. Step 3: Cross multiply
    352,050.80x = 528,076.20 × 115,417.40
  4. Step 4: Simplify right side
    352,050.80x = 60,949,182,005.88
  5. Step 5: Solve for x
    x = 60,949,182,005.88/352,050.80
  6. Step 6: Final answer
    x = 173,126.10

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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.