Home / 211,135.92-291,373.25-119,247.84

Finding the Fourth Proportional to 211,135.92, 291,373.25 and 119,247.84

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Solution

The fourth proportional to 211,135.92, 291,373.25 and 119,247.84 is: 164,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,135.92 : 291,373.25 = 119,247.84 : x
  2. Step 2: Convert to fraction form
    211,135.92/291,373.25 = 119,247.84/x
  3. Step 3: Cross multiply
    211,135.92x = 291,373.25 × 119,247.84
  4. Step 4: Simplify right side
    211,135.92x = 34,745,630,100.04
  5. Step 5: Solve for x
    x = 34,745,630,100.04/211,135.92
  6. Step 6: Final answer
    x = 164,565.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.