Home / 157,180.35-235,638.29-68,366.97

Finding the Fourth Proportional to 157,180.35, 235,638.29 and 68,366.97

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Solution

The fourth proportional to 157,180.35, 235,638.29 and 68,366.97 is: 102,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,180.35 : 235,638.29 = 68,366.97 : x
  2. Step 2: Convert to fraction form
    157,180.35/235,638.29 = 68,366.97/x
  3. Step 3: Cross multiply
    157,180.35x = 235,638.29 × 68,366.97
  4. Step 4: Simplify right side
    157,180.35x = 16,109,875,903.28
  5. Step 5: Solve for x
    x = 16,109,875,903.28/157,180.35
  6. Step 6: Final answer
    x = 102,492.94

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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.