Home / 347,408.04-521,154.10-122,722.50

Finding the Fourth Proportional to 347,408.04, 521,154.10 and 122,722.50

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Solution

The fourth proportional to 347,408.04, 521,154.10 and 122,722.50 is: 184,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,408.04 : 521,154.10 = 122,722.50 : x
  2. Step 2: Convert to fraction form
    347,408.04/521,154.10 = 122,722.50/x
  3. Step 3: Cross multiply
    347,408.04x = 521,154.10 × 122,722.50
  4. Step 4: Simplify right side
    347,408.04x = 63,957,334,037.25
  5. Step 5: Solve for x
    x = 63,957,334,037.25/347,408.04
  6. Step 6: Final answer
    x = 184,098.60

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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.