Home / 266,438.90-367,686.66-145,582.82

Finding the Fourth Proportional to 266,438.90, 367,686.66 and 145,582.82

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Solution

The fourth proportional to 266,438.90, 367,686.66 and 145,582.82 is: 200,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,438.90 : 367,686.66 = 145,582.82 : x
  2. Step 2: Convert to fraction form
    266,438.90/367,686.66 = 145,582.82/x
  3. Step 3: Cross multiply
    266,438.90x = 367,686.66 × 145,582.82
  4. Step 4: Simplify right side
    266,438.90x = 53,528,860,839.18
  5. Step 5: Solve for x
    x = 53,528,860,839.18/266,438.90
  6. Step 6: Final answer
    x = 200,904.83

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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.