Home / 224,222.70-309,252.35-143,657.76

Finding the Fourth Proportional to 224,222.70, 309,252.35 and 143,657.76

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Solution

The fourth proportional to 224,222.70, 309,252.35 and 143,657.76 is: 198,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,222.70 : 309,252.35 = 143,657.76 : x
  2. Step 2: Convert to fraction form
    224,222.70/309,252.35 = 143,657.76/x
  3. Step 3: Cross multiply
    224,222.70x = 309,252.35 × 143,657.76
  4. Step 4: Simplify right side
    224,222.70x = 44,426,499,157.45
  5. Step 5: Solve for x
    x = 44,426,499,157.45/224,222.70
  6. Step 6: Final answer
    x = 198,135.60

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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.