Home / 147,612.06-203,705.11-83,954.30

Finding the Fourth Proportional to 147,612.06, 203,705.11 and 83,954.30

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Solution

The fourth proportional to 147,612.06, 203,705.11 and 83,954.30 is: 115,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,612.06 : 203,705.11 = 83,954.30 : x
  2. Step 2: Convert to fraction form
    147,612.06/203,705.11 = 83,954.30/x
  3. Step 3: Cross multiply
    147,612.06x = 203,705.11 × 83,954.30
  4. Step 4: Simplify right side
    147,612.06x = 17,101,919,916.47
  5. Step 5: Solve for x
    x = 17,101,919,916.47/147,612.06
  6. Step 6: Final answer
    x = 115,857.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.