Home / 266,108.86-367,221.09-158,623.48

Finding the Fourth Proportional to 266,108.86, 367,221.09 and 158,623.48

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Solution

The fourth proportional to 266,108.86, 367,221.09 and 158,623.48 is: 218,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,108.86 : 367,221.09 = 158,623.48 : x
  2. Step 2: Convert to fraction form
    266,108.86/367,221.09 = 158,623.48/x
  3. Step 3: Cross multiply
    266,108.86x = 367,221.09 × 158,623.48
  4. Step 4: Simplify right side
    266,108.86x = 58,249,887,225.19
  5. Step 5: Solve for x
    x = 58,249,887,225.19/266,108.86
  6. Step 6: Final answer
    x = 218,894.96

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1.5x scale

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.