Home / 110,887.16-153,092.09-72,161.88

Finding the Fourth Proportional to 110,887.16, 153,092.09 and 72,161.88

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Solution

The fourth proportional to 110,887.16, 153,092.09 and 72,161.88 is: 99,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,887.16 : 153,092.09 = 72,161.88 : x
  2. Step 2: Convert to fraction form
    110,887.16/153,092.09 = 72,161.88/x
  3. Step 3: Cross multiply
    110,887.16x = 153,092.09 × 72,161.88
  4. Step 4: Simplify right side
    110,887.16x = 11,047,413,027.53
  5. Step 5: Solve for x
    x = 11,047,413,027.53/110,887.16
  6. Step 6: Final answer
    x = 99,627.52

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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.