Home / 147,832.10-221,748.15-136,427.30

Finding the Fourth Proportional to 147,832.10, 221,748.15 and 136,427.30

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Solution

The fourth proportional to 147,832.10, 221,748.15 and 136,427.30 is: 204,640.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,832.10 : 221,748.15 = 136,427.30 : x
  2. Step 2: Convert to fraction form
    147,832.10/221,748.15 = 136,427.30/x
  3. Step 3: Cross multiply
    147,832.10x = 221,748.15 × 136,427.30
  4. Step 4: Simplify right side
    147,832.10x = 30,252,501,384.50
  5. Step 5: Solve for x
    x = 30,252,501,384.50/147,832.10
  6. Step 6: Final answer
    x = 204,640.95

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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.