Home / 157,836.81-236,790.18-45,508.26

Finding the Fourth Proportional to 157,836.81, 236,790.18 and 45,508.26

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Solution

The fourth proportional to 157,836.81, 236,790.18 and 45,508.26 is: 68,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,836.81 : 236,790.18 = 45,508.26 : x
  2. Step 2: Convert to fraction form
    157,836.81/236,790.18 = 45,508.26/x
  3. Step 3: Cross multiply
    157,836.81x = 236,790.18 × 45,508.26
  4. Step 4: Simplify right side
    157,836.81x = 10,775,909,076.89
  5. Step 5: Solve for x
    x = 10,775,909,076.89/157,836.81
  6. Step 6: Final answer
    x = 68,272.47

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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.