Home / 245,113.90-367,671.14-76,635.11

Finding the Fourth Proportional to 245,113.90, 367,671.14 and 76,635.11

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Solution

The fourth proportional to 245,113.90, 367,671.14 and 76,635.11 is: 114,952.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,113.90 : 367,671.14 = 76,635.11 : x
  2. Step 2: Convert to fraction form
    245,113.90/367,671.14 = 76,635.11/x
  3. Step 3: Cross multiply
    245,113.90x = 367,671.14 × 76,635.11
  4. Step 4: Simplify right side
    245,113.90x = 28,176,516,816.27
  5. Step 5: Solve for x
    x = 28,176,516,816.27/245,113.90
  6. Step 6: Final answer
    x = 114,952.75

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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.