Home / 348,556.16-522,677.76-99,178.88

Finding the Fourth Proportional to 348,556.16, 522,677.76 and 99,178.88

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Solution

The fourth proportional to 348,556.16, 522,677.76 and 99,178.88 is: 148,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,556.16 : 522,677.76 = 99,178.88 : x
  2. Step 2: Convert to fraction form
    348,556.16/522,677.76 = 99,178.88/x
  3. Step 3: Cross multiply
    348,556.16x = 522,677.76 × 99,178.88
  4. Step 4: Simplify right side
    348,556.16x = 51,838,594,837.71
  5. Step 5: Solve for x
    x = 51,838,594,837.71/348,556.16
  6. Step 6: Final answer
    x = 148,723.79

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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.