Home / 110,933.78-153,070.90-63,188.06

Finding the Fourth Proportional to 110,933.78, 153,070.90 and 63,188.06

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Solution

The fourth proportional to 110,933.78, 153,070.90 and 63,188.06 is: 87,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,933.78 : 153,070.90 = 63,188.06 : x
  2. Step 2: Convert to fraction form
    110,933.78/153,070.90 = 63,188.06/x
  3. Step 3: Cross multiply
    110,933.78x = 153,070.90 × 63,188.06
  4. Step 4: Simplify right side
    110,933.78x = 9,672,253,213.45
  5. Step 5: Solve for x
    x = 9,672,253,213.45/110,933.78
  6. Step 6: Final answer
    x = 87,189.43

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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.