Home / 157,972.56-236,959.16-45,661.83

Finding the Fourth Proportional to 157,972.56, 236,959.16 and 45,661.83

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Solution

The fourth proportional to 157,972.56, 236,959.16 and 45,661.83 is: 68,492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,972.56 : 236,959.16 = 45,661.83 : x
  2. Step 2: Convert to fraction form
    157,972.56/236,959.16 = 45,661.83/x
  3. Step 3: Cross multiply
    157,972.56x = 236,959.16 × 45,661.83
  4. Step 4: Simplify right side
    157,972.56x = 10,819,988,652.55
  5. Step 5: Solve for x
    x = 10,819,988,652.55/157,972.56
  6. Step 6: Final answer
    x = 68,492.84

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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.