Home / 185,300.18-255,714.24-100,417.25

Finding the Fourth Proportional to 185,300.18, 255,714.24 and 100,417.25

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Solution

The fourth proportional to 185,300.18, 255,714.24 and 100,417.25 is: 138,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,300.18 : 255,714.24 = 100,417.25 : x
  2. Step 2: Convert to fraction form
    185,300.18/255,714.24 = 100,417.25/x
  3. Step 3: Cross multiply
    185,300.18x = 255,714.24 × 100,417.25
  4. Step 4: Simplify right side
    185,300.18x = 25,678,120,766.64
  5. Step 5: Solve for x
    x = 25,678,120,766.64/185,300.18
  6. Step 6: Final answer
    x = 138,575.80

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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.