Home / 185,437.90-255,904.30-100,554.96

Finding the Fourth Proportional to 185,437.90, 255,904.30 and 100,554.96

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Solution

The fourth proportional to 185,437.90, 255,904.30 and 100,554.96 is: 138,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,437.90 : 255,904.30 = 100,554.96 : x
  2. Step 2: Convert to fraction form
    185,437.90/255,904.30 = 100,554.96/x
  3. Step 3: Cross multiply
    185,437.90x = 255,904.30 × 100,554.96
  4. Step 4: Simplify right side
    185,437.90x = 25,732,446,650.33
  5. Step 5: Solve for x
    x = 25,732,446,650.33/185,437.90
  6. Step 6: Final answer
    x = 138,765.84

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1.5x scale

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.