Home / 185,870.64-256,498.56-105,297.60

Finding the Fourth Proportional to 185,870.64, 256,498.56 and 105,297.60

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Solution

The fourth proportional to 185,870.64, 256,498.56 and 105,297.60 is: 145,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,870.64 : 256,498.56 = 105,297.60 : x
  2. Step 2: Convert to fraction form
    185,870.64/256,498.56 = 105,297.60/x
  3. Step 3: Cross multiply
    185,870.64x = 256,498.56 × 105,297.60
  4. Step 4: Simplify right side
    185,870.64x = 27,008,682,771.46
  5. Step 5: Solve for x
    x = 27,008,682,771.46/185,870.64
  6. Step 6: Final answer
    x = 145,309.03

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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.