Home / 157,512.52-217,408.62-89,569.18

Finding the Fourth Proportional to 157,512.52, 217,408.62 and 89,569.18

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Solution

The fourth proportional to 157,512.52, 217,408.62 and 89,569.18 is: 123,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,512.52 : 217,408.62 = 89,569.18 : x
  2. Step 2: Convert to fraction form
    157,512.52/217,408.62 = 89,569.18/x
  3. Step 3: Cross multiply
    157,512.52x = 217,408.62 × 89,569.18
  4. Step 4: Simplify right side
    157,512.52x = 19,473,111,818.33
  5. Step 5: Solve for x
    x = 19,473,111,818.33/157,512.52
  6. Step 6: Final answer
    x = 123,628.98

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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.