Home / 155,631.08-214,778.89-95,182.74

Finding the Fourth Proportional to 155,631.08, 214,778.89 and 95,182.74

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Solution

The fourth proportional to 155,631.08, 214,778.89 and 95,182.74 is: 131,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,631.08 : 214,778.89 = 95,182.74 : x
  2. Step 2: Convert to fraction form
    155,631.08/214,778.89 = 95,182.74/x
  3. Step 3: Cross multiply
    155,631.08x = 214,778.89 × 95,182.74
  4. Step 4: Simplify right side
    155,631.08x = 20,443,242,768.44
  5. Step 5: Solve for x
    x = 20,443,242,768.44/155,631.08
  6. Step 6: Final answer
    x = 131,357.07

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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.