Home / 195,038.92-292,532.46-76,678.48

Finding the Fourth Proportional to 195,038.92, 292,532.46 and 76,678.48

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Solution

The fourth proportional to 195,038.92, 292,532.46 and 76,678.48 is: 115,007.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,038.92 : 292,532.46 = 76,678.48 : x
  2. Step 2: Convert to fraction form
    195,038.92/292,532.46 = 76,678.48/x
  3. Step 3: Cross multiply
    195,038.92x = 292,532.46 × 76,678.48
  4. Step 4: Simplify right side
    195,038.92x = 22,430,944,383.46
  5. Step 5: Solve for x
    x = 22,430,944,383.46/195,038.92
  6. Step 6: Final answer
    x = 115,007.53

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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.