Home / 131,506.40-197,308.20-52,677.20

Finding the Fourth Proportional to 131,506.40, 197,308.20 and 52,677.20

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Solution

The fourth proportional to 131,506.40, 197,308.20 and 52,677.20 is: 79,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,506.40 : 197,308.20 = 52,677.20 : x
  2. Step 2: Convert to fraction form
    131,506.40/197,308.20 = 52,677.20/x
  3. Step 3: Cross multiply
    131,506.40x = 197,308.20 × 52,677.20
  4. Step 4: Simplify right side
    131,506.40x = 10,393,643,513.04
  5. Step 5: Solve for x
    x = 10,393,643,513.04/131,506.40
  6. Step 6: Final answer
    x = 79,035.27

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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.