Home / 147,186.54-203,064.27-83,487.43

Finding the Fourth Proportional to 147,186.54, 203,064.27 and 83,487.43

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Solution

The fourth proportional to 147,186.54, 203,064.27 and 83,487.43 is: 115,182.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,186.54 : 203,064.27 = 83,487.43 : x
  2. Step 2: Convert to fraction form
    147,186.54/203,064.27 = 83,487.43/x
  3. Step 3: Cross multiply
    147,186.54x = 203,064.27 × 83,487.43
  4. Step 4: Simplify right side
    147,186.54x = 16,953,314,027.13
  5. Step 5: Solve for x
    x = 16,953,314,027.13/147,186.54
  6. Step 6: Final answer
    x = 115,182.50

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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.