Home / 157,856.57-236,637.23-57,989.95

Finding the Fourth Proportional to 157,856.57, 236,637.23 and 57,989.95

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Solution

The fourth proportional to 157,856.57, 236,637.23 and 57,989.95 is: 86,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,856.57 : 236,637.23 = 57,989.95 : x
  2. Step 2: Convert to fraction form
    157,856.57/236,637.23 = 57,989.95/x
  3. Step 3: Cross multiply
    157,856.57x = 236,637.23 × 57,989.95
  4. Step 4: Simplify right side
    157,856.57x = 13,722,581,135.84
  5. Step 5: Solve for x
    x = 13,722,581,135.84/157,856.57
  6. Step 6: Final answer
    x = 86,930.69

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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.