Home / 183,777.30-253,618.80-103,219.02

Finding the Fourth Proportional to 183,777.30, 253,618.80 and 103,219.02

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Solution

The fourth proportional to 183,777.30, 253,618.80 and 103,219.02 is: 142,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,777.30 : 253,618.80 = 103,219.02 : x
  2. Step 2: Convert to fraction form
    183,777.30/253,618.80 = 103,219.02/x
  3. Step 3: Cross multiply
    183,777.30x = 253,618.80 × 103,219.02
  4. Step 4: Simplify right side
    183,777.30x = 26,178,283,989.58
  5. Step 5: Solve for x
    x = 26,178,283,989.58/183,777.30
  6. Step 6: Final answer
    x = 142,445.69

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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.