Home / 374,823.12-562,234.23-122,103.20

Finding the Fourth Proportional to 374,823.12, 562,234.23 and 122,103.20

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Solution

The fourth proportional to 374,823.12, 562,234.23 and 122,103.20 is: 183,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,823.12 : 562,234.23 = 122,103.20 : x
  2. Step 2: Convert to fraction form
    374,823.12/562,234.23 = 122,103.20/x
  3. Step 3: Cross multiply
    374,823.12x = 562,234.23 × 122,103.20
  4. Step 4: Simplify right side
    374,823.12x = 68,650,596,875.55
  5. Step 5: Solve for x
    x = 68,650,596,875.55/374,823.12
  6. Step 6: Final answer
    x = 183,154.65

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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.