Home / 222,385.10-306,586.37-140,672.71

Finding the Fourth Proportional to 222,385.10, 306,586.37 and 140,672.71

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Solution

The fourth proportional to 222,385.10, 306,586.37 and 140,672.71 is: 193,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,385.10 : 306,586.37 = 140,672.71 : x
  2. Step 2: Convert to fraction form
    222,385.10/306,586.37 = 140,672.71/x
  3. Step 3: Cross multiply
    222,385.10x = 306,586.37 × 140,672.71
  4. Step 4: Simplify right side
    222,385.10x = 43,128,333,280.67
  5. Step 5: Solve for x
    x = 43,128,333,280.67/222,385.10
  6. Step 6: Final answer
    x = 193,935.35

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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.