Home / 266,166.14-399,256.50-88,666.82

Finding the Fourth Proportional to 266,166.14, 399,256.50 and 88,666.82

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Solution

The fourth proportional to 266,166.14, 399,256.50 and 88,666.82 is: 133,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,166.14 : 399,256.50 = 88,666.82 : x
  2. Step 2: Convert to fraction form
    266,166.14/399,256.50 = 88,666.82/x
  3. Step 3: Cross multiply
    266,166.14x = 399,256.50 × 88,666.82
  4. Step 4: Simplify right side
    266,166.14x = 35,400,804,219.33
  5. Step 5: Solve for x
    x = 35,400,804,219.33/266,166.14
  6. Step 6: Final answer
    x = 133,002.66

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1.5x scale

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.