Home / 266,188.05-399,566.39-147,827.61

Finding the Fourth Proportional to 266,188.05, 399,566.39 and 147,827.61

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Solution

The fourth proportional to 266,188.05, 399,566.39 and 147,827.61 is: 221,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,188.05 : 399,566.39 = 147,827.61 : x
  2. Step 2: Convert to fraction form
    266,188.05/399,566.39 = 147,827.61/x
  3. Step 3: Cross multiply
    266,188.05x = 399,566.39 × 147,827.61
  4. Step 4: Simplify right side
    266,188.05x = 59,066,943,730.89
  5. Step 5: Solve for x
    x = 59,066,943,730.89/266,188.05
  6. Step 6: Final answer
    x = 221,899.31

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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.