Home / 157,669.72-236,544.63-45,347.56

Finding the Fourth Proportional to 157,669.72, 236,544.63 and 45,347.56

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Solution

The fourth proportional to 157,669.72, 236,544.63 and 45,347.56 is: 68,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,669.72 : 236,544.63 = 45,347.56 : x
  2. Step 2: Convert to fraction form
    157,669.72/236,544.63 = 45,347.56/x
  3. Step 3: Cross multiply
    157,669.72x = 236,544.63 × 45,347.56
  4. Step 4: Simplify right side
    157,669.72x = 10,726,721,801.60
  5. Step 5: Solve for x
    x = 10,726,721,801.60/157,669.72
  6. Step 6: Final answer
    x = 68,032.86

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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.