Home / 157,179.85-235,637.54-68,366.47

Finding the Fourth Proportional to 157,179.85, 235,637.54 and 68,366.47

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Solution

The fourth proportional to 157,179.85, 235,637.54 and 68,366.47 is: 102,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,179.85 : 235,637.54 = 68,366.47 : x
  2. Step 2: Convert to fraction form
    157,179.85/235,637.54 = 68,366.47/x
  3. Step 3: Cross multiply
    157,179.85x = 235,637.54 × 68,366.47
  4. Step 4: Simplify right side
    157,179.85x = 16,109,706,809.28
  5. Step 5: Solve for x
    x = 16,109,706,809.28/157,179.85
  6. Step 6: Final answer
    x = 102,492.19

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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.