Home / 266,290.66-367,237.67-208,155.07

Finding the Fourth Proportional to 266,290.66, 367,237.67 and 208,155.07

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Solution

The fourth proportional to 266,290.66, 367,237.67 and 208,155.07 is: 287,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,290.66 : 367,237.67 = 208,155.07 : x
  2. Step 2: Convert to fraction form
    266,290.66/367,237.67 = 208,155.07/x
  3. Step 3: Cross multiply
    266,290.66x = 367,237.67 × 208,155.07
  4. Step 4: Simplify right side
    266,290.66x = 76,442,382,905.49
  5. Step 5: Solve for x
    x = 76,442,382,905.49/266,290.66
  6. Step 6: Final answer
    x = 287,063.70

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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.