Home / 251,748.73-347,446.43-151,153.21

Finding the Fourth Proportional to 251,748.73, 347,446.43 and 151,153.21

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Solution

The fourth proportional to 251,748.73, 347,446.43 and 151,153.21 is: 208,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,748.73 : 347,446.43 = 151,153.21 : x
  2. Step 2: Convert to fraction form
    251,748.73/347,446.43 = 151,153.21/x
  3. Step 3: Cross multiply
    251,748.73x = 347,446.43 × 151,153.21
  4. Step 4: Simplify right side
    251,748.73x = 52,517,642,441.77
  5. Step 5: Solve for x
    x = 52,517,642,441.77/251,748.73
  6. Step 6: Final answer
    x = 208,611.35

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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.