Home / 147,799.24-203,750.34-105,283.96

Finding the Fourth Proportional to 147,799.24, 203,750.34 and 105,283.96

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Solution

The fourth proportional to 147,799.24, 203,750.34 and 105,283.96 is: 145,140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,799.24 : 203,750.34 = 105,283.96 : x
  2. Step 2: Convert to fraction form
    147,799.24/203,750.34 = 105,283.96/x
  3. Step 3: Cross multiply
    147,799.24x = 203,750.34 × 105,283.96
  4. Step 4: Simplify right side
    147,799.24x = 21,451,642,646.55
  5. Step 5: Solve for x
    x = 21,451,642,646.55/147,799.24
  6. Step 6: Final answer
    x = 145,140.41

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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.