Home / 251,764.83-377,909.69-111,621.87

Finding the Fourth Proportional to 251,764.83, 377,909.69 and 111,621.87

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Solution

The fourth proportional to 251,764.83, 377,909.69 and 111,621.87 is: 167,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,764.83 : 377,909.69 = 111,621.87 : x
  2. Step 2: Convert to fraction form
    251,764.83/377,909.69 = 111,621.87/x
  3. Step 3: Cross multiply
    251,764.83x = 377,909.69 × 111,621.87
  4. Step 4: Simplify right side
    251,764.83x = 42,182,985,730.81
  5. Step 5: Solve for x
    x = 42,182,985,730.81/251,764.83
  6. Step 6: Final answer
    x = 167,549.16

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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.