Home / 266,153.26-399,438.46-185,667.70

Finding the Fourth Proportional to 266,153.26, 399,438.46 and 185,667.70

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Solution

The fourth proportional to 266,153.26, 399,438.46 and 185,667.70 is: 278,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,153.26 : 399,438.46 = 185,667.70 : x
  2. Step 2: Convert to fraction form
    266,153.26/399,438.46 = 185,667.70/x
  3. Step 3: Cross multiply
    266,153.26x = 399,438.46 × 185,667.70
  4. Step 4: Simplify right side
    266,153.26x = 74,162,820,159.74
  5. Step 5: Solve for x
    x = 74,162,820,159.74/266,153.26
  6. Step 6: Final answer
    x = 278,647.05

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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.