Home / 147,623.50-203,719.32-83,961.22

Finding the Fourth Proportional to 147,623.50, 203,719.32 and 83,961.22

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Solution

The fourth proportional to 147,623.50, 203,719.32 and 83,961.22 is: 115,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623.50 : 203,719.32 = 83,961.22 : x
  2. Step 2: Convert to fraction form
    147,623.50/203,719.32 = 83,961.22/x
  3. Step 3: Cross multiply
    147,623.50x = 203,719.32 × 83,961.22
  4. Step 4: Simplify right side
    147,623.50x = 17,104,522,644.77
  5. Step 5: Solve for x
    x = 17,104,522,644.77/147,623.50
  6. Step 6: Final answer
    x = 115,865.85

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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.