Home / 164,697.12-247,031.51-52,380.09

Finding the Fourth Proportional to 164,697.12, 247,031.51 and 52,380.09

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Solution

The fourth proportional to 164,697.12, 247,031.51 and 52,380.09 is: 78,565.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,697.12 : 247,031.51 = 52,380.09 : x
  2. Step 2: Convert to fraction form
    164,697.12/247,031.51 = 52,380.09/x
  3. Step 3: Cross multiply
    164,697.12x = 247,031.51 × 52,380.09
  4. Step 4: Simplify right side
    164,697.12x = 12,939,532,464.74
  5. Step 5: Solve for x
    x = 12,939,532,464.74/164,697.12
  6. Step 6: Final answer
    x = 78,565.63

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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.