Home / 185,347.45-255,756.58-131,612.86

Finding the Fourth Proportional to 185,347.45, 255,756.58 and 131,612.86

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Solution

The fourth proportional to 185,347.45, 255,756.58 and 131,612.86 is: 181,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,347.45 : 255,756.58 = 131,612.86 : x
  2. Step 2: Convert to fraction form
    185,347.45/255,756.58 = 131,612.86/x
  3. Step 3: Cross multiply
    185,347.45x = 255,756.58 × 131,612.86
  4. Step 4: Simplify right side
    185,347.45x = 33,660,854,957.62
  5. Step 5: Solve for x
    x = 33,660,854,957.62/185,347.45
  6. Step 6: Final answer
    x = 181,609.49

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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.