Home / 157,629.60-236,374.40-57,763.68

Finding the Fourth Proportional to 157,629.60, 236,374.40 and 57,763.68

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Solution

The fourth proportional to 157,629.60, 236,374.40 and 57,763.68 is: 86,619.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,629.60 : 236,374.40 = 57,763.68 : x
  2. Step 2: Convert to fraction form
    157,629.60/236,374.40 = 57,763.68/x
  3. Step 3: Cross multiply
    157,629.60x = 236,374.40 × 57,763.68
  4. Step 4: Simplify right side
    157,629.60x = 13,653,855,201.79
  5. Step 5: Solve for x
    x = 13,653,855,201.79/157,629.60
  6. Step 6: Final answer
    x = 86,619.87

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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.