Home / 195,157.52-292,561.32-70,469.36

Finding the Fourth Proportional to 195,157.52, 292,561.32 and 70,469.36

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Solution

The fourth proportional to 195,157.52, 292,561.32 and 70,469.36 is: 105,640.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,157.52 : 292,561.32 = 70,469.36 : x
  2. Step 2: Convert to fraction form
    195,157.52/292,561.32 = 70,469.36/x
  3. Step 3: Cross multiply
    195,157.52x = 292,561.32 × 70,469.36
  4. Step 4: Simplify right side
    195,157.52x = 20,616,608,981.16
  5. Step 5: Solve for x
    x = 20,616,608,981.16/195,157.52
  6. Step 6: Final answer
    x = 105,640.86

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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.