Home / 185,555.34-256,065.30-100,670.58

Finding the Fourth Proportional to 185,555.34, 256,065.30 and 100,670.58

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Solution

The fourth proportional to 185,555.34, 256,065.30 and 100,670.58 is: 138,924.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,555.34 : 256,065.30 = 100,670.58 : x
  2. Step 2: Convert to fraction form
    185,555.34/256,065.30 = 100,670.58/x
  3. Step 3: Cross multiply
    185,555.34x = 256,065.30 × 100,670.58
  4. Step 4: Simplify right side
    185,555.34x = 25,778,242,268.87
  5. Step 5: Solve for x
    x = 25,778,242,268.87/185,555.34
  6. Step 6: Final answer
    x = 138,924.82

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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.