Home / 147,572.45-203,649.04-83,910.25

Finding the Fourth Proportional to 147,572.45, 203,649.04 and 83,910.25

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Solution

The fourth proportional to 147,572.45, 203,649.04 and 83,910.25 is: 115,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,572.45 : 203,649.04 = 83,910.25 : x
  2. Step 2: Convert to fraction form
    147,572.45/203,649.04 = 83,910.25/x
  3. Step 3: Cross multiply
    147,572.45x = 203,649.04 × 83,910.25
  4. Step 4: Simplify right side
    147,572.45x = 17,088,241,858.66
  5. Step 5: Solve for x
    x = 17,088,241,858.66/147,572.45
  6. Step 6: Final answer
    x = 115,795.61

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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.