Home / 185,188.48-255,560.04-100,305.52

Finding the Fourth Proportional to 185,188.48, 255,560.04 and 100,305.52

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Solution

The fourth proportional to 185,188.48, 255,560.04 and 100,305.52 is: 138,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,188.48 : 255,560.04 = 100,305.52 : x
  2. Step 2: Convert to fraction form
    185,188.48/255,560.04 = 100,305.52/x
  3. Step 3: Cross multiply
    185,188.48x = 255,560.04 × 100,305.52
  4. Step 4: Simplify right side
    185,188.48x = 25,634,082,703.42
  5. Step 5: Solve for x
    x = 25,634,082,703.42/185,188.48
  6. Step 6: Final answer
    x = 138,421.58

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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.