Home / 266,780.18-368,166.87-152,076.89

Finding the Fourth Proportional to 266,780.18, 368,166.87 and 152,076.89

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Solution

The fourth proportional to 266,780.18, 368,166.87 and 152,076.89 is: 209,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,780.18 : 368,166.87 = 152,076.89 : x
  2. Step 2: Convert to fraction form
    266,780.18/368,166.87 = 152,076.89/x
  3. Step 3: Cross multiply
    266,780.18x = 368,166.87 × 152,076.89
  4. Step 4: Simplify right side
    266,780.18x = 55,989,673,511.05
  5. Step 5: Solve for x
    x = 55,989,673,511.05/266,780.18
  6. Step 6: Final answer
    x = 209,871.94

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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.