Home / 348,615.30-522,971.55-148,934.10

Finding the Fourth Proportional to 348,615.30, 522,971.55 and 148,934.10

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Solution

The fourth proportional to 348,615.30, 522,971.55 and 148,934.10 is: 223,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,615.30 : 522,971.55 = 148,934.10 : x
  2. Step 2: Convert to fraction form
    348,615.30/522,971.55 = 148,934.10/x
  3. Step 3: Cross multiply
    348,615.30x = 522,971.55 × 148,934.10
  4. Step 4: Simplify right side
    348,615.30x = 77,888,297,124.86
  5. Step 5: Solve for x
    x = 77,888,297,124.86/348,615.30
  6. Step 6: Final answer
    x = 223,421.91

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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.