Home / 147,908.16-203,640.48-119,707.20

Finding the Fourth Proportional to 147,908.16, 203,640.48 and 119,707.20

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Solution

The fourth proportional to 147,908.16, 203,640.48 and 119,707.20 is: 164,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,908.16 : 203,640.48 = 119,707.20 : x
  2. Step 2: Convert to fraction form
    147,908.16/203,640.48 = 119,707.20/x
  3. Step 3: Cross multiply
    147,908.16x = 203,640.48 × 119,707.20
  4. Step 4: Simplify right side
    147,908.16x = 24,377,231,667.46
  5. Step 5: Solve for x
    x = 24,377,231,667.46/147,908.16
  6. Step 6: Final answer
    x = 164,813.30

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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.