Home / 185,815.60-256,430.27-105,241.93

Finding the Fourth Proportional to 185,815.60, 256,430.27 and 105,241.93

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Solution

The fourth proportional to 185,815.60, 256,430.27 and 105,241.93 is: 145,236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,815.60 : 256,430.27 = 105,241.93 : x
  2. Step 2: Convert to fraction form
    185,815.60/256,430.27 = 105,241.93/x
  3. Step 3: Cross multiply
    185,815.60x = 256,430.27 × 105,241.93
  4. Step 4: Simplify right side
    185,815.60x = 26,987,216,525.22
  5. Step 5: Solve for x
    x = 26,987,216,525.22/185,815.60
  6. Step 6: Final answer
    x = 145,236.55

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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.