Home / 229,181.23-342,228.38-187,143.45

Finding the Fourth Proportional to 229,181.23, 342,228.38 and 187,143.45

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Solution

The fourth proportional to 229,181.23, 342,228.38 and 187,143.45 is: 279,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,181.23 : 342,228.38 = 187,143.45 : x
  2. Step 2: Convert to fraction form
    229,181.23/342,228.38 = 187,143.45/x
  3. Step 3: Cross multiply
    229,181.23x = 342,228.38 × 187,143.45
  4. Step 4: Simplify right side
    229,181.23x = 64,045,797,502.04
  5. Step 5: Solve for x
    x = 64,045,797,502.04/229,181.23
  6. Step 6: Final answer
    x = 279,454.81

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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.