Home / 147,537.16-221,192.34-76,383.52

Finding the Fourth Proportional to 147,537.16, 221,192.34 and 76,383.52

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Solution

The fourth proportional to 147,537.16, 221,192.34 and 76,383.52 is: 114,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,537.16 : 221,192.34 = 76,383.52 : x
  2. Step 2: Convert to fraction form
    147,537.16/221,192.34 = 76,383.52/x
  3. Step 3: Cross multiply
    147,537.16x = 221,192.34 × 76,383.52
  4. Step 4: Simplify right side
    147,537.16x = 16,895,449,526.24
  5. Step 5: Solve for x
    x = 16,895,449,526.24/147,537.16
  6. Step 6: Final answer
    x = 114,516.57

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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.