Home / 193,285.72-266,752.20-112,739.32

Finding the Fourth Proportional to 193,285.72, 266,752.20 and 112,739.32

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Solution

The fourth proportional to 193,285.72, 266,752.20 and 112,739.32 is: 155,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,285.72 : 266,752.20 = 112,739.32 : x
  2. Step 2: Convert to fraction form
    193,285.72/266,752.20 = 112,739.32/x
  3. Step 3: Cross multiply
    193,285.72x = 266,752.20 × 112,739.32
  4. Step 4: Simplify right side
    193,285.72x = 30,073,461,636.50
  5. Step 5: Solve for x
    x = 30,073,461,636.50/193,285.72
  6. Step 6: Final answer
    x = 155,590.71

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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.