Home / 129,701.56-194,603.10-50,802.16

Finding the Fourth Proportional to 129,701.56, 194,603.10 and 50,802.16

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Solution

The fourth proportional to 129,701.56, 194,603.10 and 50,802.16 is: 76,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,701.56 : 194,603.10 = 50,802.16 : x
  2. Step 2: Convert to fraction form
    129,701.56/194,603.10 = 50,802.16/x
  3. Step 3: Cross multiply
    129,701.56x = 194,603.10 × 50,802.16
  4. Step 4: Simplify right side
    129,701.56x = 9,886,257,822.70
  5. Step 5: Solve for x
    x = 9,886,257,822.70/129,701.56
  6. Step 6: Final answer
    x = 76,223.12

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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.