Home / 193,445.72-266,963.42-107,404.70

Finding the Fourth Proportional to 193,445.72, 266,963.42 and 107,404.70

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Solution

The fourth proportional to 193,445.72, 266,963.42 and 107,404.70 is: 148,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,445.72 : 266,963.42 = 107,404.70 : x
  2. Step 2: Convert to fraction form
    193,445.72/266,963.42 = 107,404.70/x
  3. Step 3: Cross multiply
    193,445.72x = 266,963.42 × 107,404.70
  4. Step 4: Simplify right side
    193,445.72x = 28,673,125,637.18
  5. Step 5: Solve for x
    x = 28,673,125,637.18/193,445.72
  6. Step 6: Final answer
    x = 148,223.11

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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.