Home / 141,734.32-212,606.34-75,084.28

Finding the Fourth Proportional to 141,734.32, 212,606.34 and 75,084.28

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Solution

The fourth proportional to 141,734.32, 212,606.34 and 75,084.28 is: 112,628.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,734.32 : 212,606.34 = 75,084.28 : x
  2. Step 2: Convert to fraction form
    141,734.32/212,606.34 = 75,084.28/x
  3. Step 3: Cross multiply
    141,734.32x = 212,606.34 × 75,084.28
  4. Step 4: Simplify right side
    141,734.32x = 15,963,393,962.34
  5. Step 5: Solve for x
    x = 15,963,393,962.34/141,734.32
  6. Step 6: Final answer
    x = 112,628.99

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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.