Home / 193,065.72-288,278.01-172,945.32

Finding the Fourth Proportional to 193,065.72, 288,278.01 and 172,945.32

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Solution

The fourth proportional to 193,065.72, 288,278.01 and 172,945.32 is: 258,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,065.72 : 288,278.01 = 172,945.32 : x
  2. Step 2: Convert to fraction form
    193,065.72/288,278.01 = 172,945.32/x
  3. Step 3: Cross multiply
    193,065.72x = 288,278.01 × 172,945.32
  4. Step 4: Simplify right side
    193,065.72x = 49,856,332,688.41
  5. Step 5: Solve for x
    x = 49,856,332,688.41/193,065.72
  6. Step 6: Final answer
    x = 258,235.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.