Home / 143,152.29-197,617.50-82,711.26

Finding the Fourth Proportional to 143,152.29, 197,617.50 and 82,711.26

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Solution

The fourth proportional to 143,152.29, 197,617.50 and 82,711.26 is: 114,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,152.29 : 197,617.50 = 82,711.26 : x
  2. Step 2: Convert to fraction form
    143,152.29/197,617.50 = 82,711.26/x
  3. Step 3: Cross multiply
    143,152.29x = 197,617.50 × 82,711.26
  4. Step 4: Simplify right side
    143,152.29x = 16,345,192,423.05
  5. Step 5: Solve for x
    x = 16,345,192,423.05/143,152.29
  6. Step 6: Final answer
    x = 114,180.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.