Home / 131,518.10-197,358.15-56,674.10

Finding the Fourth Proportional to 131,518.10, 197,358.15 and 56,674.10

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Solution

The fourth proportional to 131,518.10, 197,358.15 and 56,674.10 is: 85,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,518.10 : 197,358.15 = 56,674.10 : x
  2. Step 2: Convert to fraction form
    131,518.10/197,358.15 = 56,674.10/x
  3. Step 3: Cross multiply
    131,518.10x = 197,358.15 × 56,674.10
  4. Step 4: Simplify right side
    131,518.10x = 11,185,095,528.92
  5. Step 5: Solve for x
    x = 11,185,095,528.92/131,518.10
  6. Step 6: Final answer
    x = 85,046.05

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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.