Home / 157,667.11-236,536.31-52,490.23

Finding the Fourth Proportional to 157,667.11, 236,536.31 and 52,490.23

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Solution

The fourth proportional to 157,667.11, 236,536.31 and 52,490.23 is: 78,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,667.11 : 236,536.31 = 52,490.23 : x
  2. Step 2: Convert to fraction form
    157,667.11/236,536.31 = 52,490.23/x
  3. Step 3: Cross multiply
    157,667.11x = 236,536.31 × 52,490.23
  4. Step 4: Simplify right side
    157,667.11x = 12,415,845,315.25
  5. Step 5: Solve for x
    x = 12,415,845,315.25/157,667.11
  6. Step 6: Final answer
    x = 78,747.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.