Home / 147,606.34-203,699.10-80,538.34

Finding the Fourth Proportional to 147,606.34, 203,699.10 and 80,538.34

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Solution

The fourth proportional to 147,606.34, 203,699.10 and 80,538.34 is: 111,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,606.34 : 203,699.10 = 80,538.34 : x
  2. Step 2: Convert to fraction form
    147,606.34/203,699.10 = 80,538.34/x
  3. Step 3: Cross multiply
    147,606.34x = 203,699.10 × 80,538.34
  4. Step 4: Simplify right side
    147,606.34x = 16,405,587,373.49
  5. Step 5: Solve for x
    x = 16,405,587,373.49/147,606.34
  6. Step 6: Final answer
    x = 111,144.19

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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.