Home / 157,823.71-236,736.45-52,642.39

Finding the Fourth Proportional to 157,823.71, 236,736.45 and 52,642.39

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Solution

The fourth proportional to 157,823.71, 236,736.45 and 52,642.39 is: 78,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,823.71 : 236,736.45 = 52,642.39 : x
  2. Step 2: Convert to fraction form
    157,823.71/236,736.45 = 52,642.39/x
  3. Step 3: Cross multiply
    157,823.71x = 236,736.45 × 52,642.39
  4. Step 4: Simplify right side
    157,823.71x = 12,462,372,528.12
  5. Step 5: Solve for x
    x = 12,462,372,528.12/157,823.71
  6. Step 6: Final answer
    x = 78,963.88

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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.