Home / 193,151.21-266,543.71-107,108.82

Finding the Fourth Proportional to 193,151.21, 266,543.71 and 107,108.82

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Solution

The fourth proportional to 193,151.21, 266,543.71 and 107,108.82 is: 147,807.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,151.21 : 266,543.71 = 107,108.82 : x
  2. Step 2: Convert to fraction form
    193,151.21/266,543.71 = 107,108.82/x
  3. Step 3: Cross multiply
    193,151.21x = 266,543.71 × 107,108.82
  4. Step 4: Simplify right side
    193,151.21x = 28,549,181,988.75
  5. Step 5: Solve for x
    x = 28,549,181,988.75/193,151.21
  6. Step 6: Final answer
    x = 147,807.42

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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.