Home / 352,614.20-528,867.30-115,957.40

Finding the Fourth Proportional to 352,614.20, 528,867.30 and 115,957.40

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Solution

The fourth proportional to 352,614.20, 528,867.30 and 115,957.40 is: 173,918.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,614.20 : 528,867.30 = 115,957.40 : x
  2. Step 2: Convert to fraction form
    352,614.20/528,867.30 = 115,957.40/x
  3. Step 3: Cross multiply
    352,614.20x = 528,867.30 × 115,957.40
  4. Step 4: Simplify right side
    352,614.20x = 61,326,077,053.02
  5. Step 5: Solve for x
    x = 61,326,077,053.02/352,614.20
  6. Step 6: Final answer
    x = 173,918.34

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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.