Home / 216,787.90-325,184.61-76,448.11

Finding the Fourth Proportional to 216,787.90, 325,184.61 and 76,448.11

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Solution

The fourth proportional to 216,787.90, 325,184.61 and 76,448.11 is: 114,673.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,787.90 : 325,184.61 = 76,448.11 : x
  2. Step 2: Convert to fraction form
    216,787.90/325,184.61 = 76,448.11/x
  3. Step 3: Cross multiply
    216,787.90x = 325,184.61 × 76,448.11
  4. Step 4: Simplify right side
    216,787.90x = 24,859,748,835.59
  5. Step 5: Solve for x
    x = 24,859,748,835.59/216,787.90
  6. Step 6: Final answer
    x = 114,673.14

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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.