Home / 147,814.65-221,529.15-67,823.75

Finding the Fourth Proportional to 147,814.65, 221,529.15 and 67,823.75

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Solution

The fourth proportional to 147,814.65, 221,529.15 and 67,823.75 is: 101,647.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,814.65 : 221,529.15 = 67,823.75 : x
  2. Step 2: Convert to fraction form
    147,814.65/221,529.15 = 67,823.75/x
  3. Step 3: Cross multiply
    147,814.65x = 221,529.15 × 67,823.75
  4. Step 4: Simplify right side
    147,814.65x = 15,024,936,579.67
  5. Step 5: Solve for x
    x = 15,024,936,579.67/147,814.65
  6. Step 6: Final answer
    x = 101,647.14

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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.