Home / 113,433.50-169,963.04-65,915.21

Finding the Fourth Proportional to 113,433.50, 169,963.04 and 65,915.21

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Solution

The fourth proportional to 113,433.50, 169,963.04 and 65,915.21 is: 98,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,433.50 : 169,963.04 = 65,915.21 : x
  2. Step 2: Convert to fraction form
    113,433.50/169,963.04 = 65,915.21/x
  3. Step 3: Cross multiply
    113,433.50x = 169,963.04 × 65,915.21
  4. Step 4: Simplify right side
    113,433.50x = 11,203,149,473.84
  5. Step 5: Solve for x
    x = 11,203,149,473.84/113,433.50
  6. Step 6: Final answer
    x = 98,764.03

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1.5x scale

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.