Home / 111,518.68-153,896.34-63,774.04

Finding the Fourth Proportional to 111,518.68, 153,896.34 and 63,774.04

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Solution

The fourth proportional to 111,518.68, 153,896.34 and 63,774.04 is: 88,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,518.68 : 153,896.34 = 63,774.04 : x
  2. Step 2: Convert to fraction form
    111,518.68/153,896.34 = 63,774.04/x
  3. Step 3: Cross multiply
    111,518.68x = 153,896.34 × 63,774.04
  4. Step 4: Simplify right side
    111,518.68x = 9,814,591,343.01
  5. Step 5: Solve for x
    x = 9,814,591,343.01/111,518.68
  6. Step 6: Final answer
    x = 88,008.50

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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.