Home / 266,117.70-398,520.45-176,888.10

Finding the Fourth Proportional to 266,117.70, 398,520.45 and 176,888.10

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Solution

The fourth proportional to 266,117.70, 398,520.45 and 176,888.10 is: 264,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,117.70 : 398,520.45 = 176,888.10 : x
  2. Step 2: Convert to fraction form
    266,117.70/398,520.45 = 176,888.10/x
  3. Step 3: Cross multiply
    266,117.70x = 398,520.45 × 176,888.10
  4. Step 4: Simplify right side
    266,117.70x = 70,493,525,211.65
  5. Step 5: Solve for x
    x = 70,493,525,211.65/266,117.70
  6. Step 6: Final answer
    x = 264,896.04

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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.