Home / 193,180.50-266,590.05-112,663.86

Finding the Fourth Proportional to 193,180.50, 266,590.05 and 112,663.86

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Solution

The fourth proportional to 193,180.50, 266,590.05 and 112,663.86 is: 155,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,180.50 : 266,590.05 = 112,663.86 : x
  2. Step 2: Convert to fraction form
    193,180.50/266,590.05 = 112,663.86/x
  3. Step 3: Cross multiply
    193,180.50x = 266,590.05 × 112,663.86
  4. Step 4: Simplify right side
    193,180.50x = 30,035,064,070.59
  5. Step 5: Solve for x
    x = 30,035,064,070.59/193,180.50
  6. Step 6: Final answer
    x = 155,476.69

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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.