Home / 157,811.78-236,718.57-52,630.44

Finding the Fourth Proportional to 157,811.78, 236,718.57 and 52,630.44

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Solution

The fourth proportional to 157,811.78, 236,718.57 and 52,630.44 is: 78,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,811.78 : 236,718.57 = 52,630.44 : x
  2. Step 2: Convert to fraction form
    157,811.78/236,718.57 = 52,630.44/x
  3. Step 3: Cross multiply
    157,811.78x = 236,718.57 × 52,630.44
  4. Step 4: Simplify right side
    157,811.78x = 12,458,602,495.27
  5. Step 5: Solve for x
    x = 12,458,602,495.27/157,811.78
  6. Step 6: Final answer
    x = 78,945.96

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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.