Home / 136,359.56-204,557.16-47,638.64

Finding the Fourth Proportional to 136,359.56, 204,557.16 and 47,638.64

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Solution

The fourth proportional to 136,359.56, 204,557.16 and 47,638.64 is: 71,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,359.56 : 204,557.16 = 47,638.64 : x
  2. Step 2: Convert to fraction form
    136,359.56/204,557.16 = 47,638.64/x
  3. Step 3: Cross multiply
    136,359.56x = 204,557.16 × 47,638.64
  4. Step 4: Simplify right side
    136,359.56x = 9,744,824,904.66
  5. Step 5: Solve for x
    x = 9,744,824,904.66/136,359.56
  6. Step 6: Final answer
    x = 71,464.19

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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.