Home / 266,828.50-399,601.32-152,630.19

Finding the Fourth Proportional to 266,828.50, 399,601.32 and 152,630.19

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Solution

The fourth proportional to 266,828.50, 399,601.32 and 152,630.19 is: 228,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,828.50 : 399,601.32 = 152,630.19 : x
  2. Step 2: Convert to fraction form
    266,828.50/399,601.32 = 152,630.19/x
  3. Step 3: Cross multiply
    266,828.50x = 399,601.32 × 152,630.19
  4. Step 4: Simplify right side
    266,828.50x = 60,991,225,395.85
  5. Step 5: Solve for x
    x = 60,991,225,395.85/266,828.50
  6. Step 6: Final answer
    x = 228,578.38

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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.