Home / 147,536.16-221,190.84-76,382.52

Finding the Fourth Proportional to 147,536.16, 221,190.84 and 76,382.52

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Solution

The fourth proportional to 147,536.16, 221,190.84 and 76,382.52 is: 114,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,536.16 : 221,190.84 = 76,382.52 : x
  2. Step 2: Convert to fraction form
    147,536.16/221,190.84 = 76,382.52/x
  3. Step 3: Cross multiply
    147,536.16x = 221,190.84 × 76,382.52
  4. Step 4: Simplify right side
    147,536.16x = 16,895,113,760.12
  5. Step 5: Solve for x
    x = 16,895,113,760.12/147,536.16
  6. Step 6: Final answer
    x = 114,515.07

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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.