Home / 111,445.25-153,678.84-95,365.79

Finding the Fourth Proportional to 111,445.25, 153,678.84 and 95,365.79

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Solution

The fourth proportional to 111,445.25, 153,678.84 and 95,365.79 is: 131,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,445.25 : 153,678.84 = 95,365.79 : x
  2. Step 2: Convert to fraction form
    111,445.25/153,678.84 = 95,365.79/x
  3. Step 3: Cross multiply
    111,445.25x = 153,678.84 × 95,365.79
  4. Step 4: Simplify right side
    111,445.25x = 14,655,703,764.21
  5. Step 5: Solve for x
    x = 14,655,703,764.21/111,445.25
  6. Step 6: Final answer
    x = 131,505.86

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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.