Home / 122,926.81-184,421.90-66,752.50

Finding the Fourth Proportional to 122,926.81, 184,421.90 and 66,752.50

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Solution

The fourth proportional to 122,926.81, 184,421.90 and 66,752.50 is: 100,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,926.81 : 184,421.90 = 66,752.50 : x
  2. Step 2: Convert to fraction form
    122,926.81/184,421.90 = 66,752.50/x
  3. Step 3: Cross multiply
    122,926.81x = 184,421.90 × 66,752.50
  4. Step 4: Simplify right side
    122,926.81x = 12,310,621,957.64
  5. Step 5: Solve for x
    x = 12,310,621,957.64/122,926.81
  6. Step 6: Final answer
    x = 100,145.95

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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.