Home / 211,827.96-317,787.66-71,583.48

Finding the Fourth Proportional to 211,827.96, 317,787.66 and 71,583.48

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Solution

The fourth proportional to 211,827.96, 317,787.66 and 71,583.48 is: 107,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,827.96 : 317,787.66 = 71,583.48 : x
  2. Step 2: Convert to fraction form
    211,827.96/317,787.66 = 71,583.48/x
  3. Step 3: Cross multiply
    211,827.96x = 317,787.66 × 71,583.48
  4. Step 4: Simplify right side
    211,827.96x = 22,748,346,603.86
  5. Step 5: Solve for x
    x = 22,748,346,603.86/211,827.96
  6. Step 6: Final answer
    x = 107,390.67

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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.