Home / 131,813.50-197,679.36-47,562.70

Finding the Fourth Proportional to 131,813.50, 197,679.36 and 47,562.70

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Solution

The fourth proportional to 131,813.50, 197,679.36 and 47,562.70 is: 71,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,813.50 : 197,679.36 = 47,562.70 : x
  2. Step 2: Convert to fraction form
    131,813.50/197,679.36 = 47,562.70/x
  3. Step 3: Cross multiply
    131,813.50x = 197,679.36 × 47,562.70
  4. Step 4: Simplify right side
    131,813.50x = 9,402,164,095.87
  5. Step 5: Solve for x
    x = 9,402,164,095.87/131,813.50
  6. Step 6: Final answer
    x = 71,329.30

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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.