Home / 253,256.16-379,970.94-95,529.72

Finding the Fourth Proportional to 253,256.16, 379,970.94 and 95,529.72

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Solution

The fourth proportional to 253,256.16, 379,970.94 and 95,529.72 is: 143,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,256.16 : 379,970.94 = 95,529.72 : x
  2. Step 2: Convert to fraction form
    253,256.16/379,970.94 = 95,529.72/x
  3. Step 3: Cross multiply
    253,256.16x = 379,970.94 × 95,529.72
  4. Step 4: Simplify right side
    253,256.16x = 36,298,517,506.34
  5. Step 5: Solve for x
    x = 36,298,517,506.34/253,256.16
  6. Step 6: Final answer
    x = 143,327.28

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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.