Home / 131,300.85-197,181.68-127,153.65

Finding the Fourth Proportional to 131,300.85, 197,181.68 and 127,153.65

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Solution

The fourth proportional to 131,300.85, 197,181.68 and 127,153.65 is: 190,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,300.85 : 197,181.68 = 127,153.65 : x
  2. Step 2: Convert to fraction form
    131,300.85/197,181.68 = 127,153.65/x
  3. Step 3: Cross multiply
    131,300.85x = 197,181.68 × 127,153.65
  4. Step 4: Simplify right side
    131,300.85x = 25,072,369,689.36
  5. Step 5: Solve for x
    x = 25,072,369,689.36/131,300.85
  6. Step 6: Final answer
    x = 190,953.60

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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.