Home / 157,223.92-235,787.28-52,021.12

Finding the Fourth Proportional to 157,223.92, 235,787.28 and 52,021.12

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Solution

The fourth proportional to 157,223.92, 235,787.28 and 52,021.12 is: 78,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,223.92 : 235,787.28 = 52,021.12 : x
  2. Step 2: Convert to fraction form
    157,223.92/235,787.28 = 52,021.12/x
  3. Step 3: Cross multiply
    157,223.92x = 235,787.28 × 52,021.12
  4. Step 4: Simplify right side
    157,223.92x = 12,265,918,387.35
  5. Step 5: Solve for x
    x = 12,265,918,387.35/157,223.92
  6. Step 6: Final answer
    x = 78,015.60

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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.