Home / 111,273.04-153,571.08-63,515.44

Finding the Fourth Proportional to 111,273.04, 153,571.08 and 63,515.44

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Solution

The fourth proportional to 111,273.04, 153,571.08 and 63,515.44 is: 87,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,273.04 : 153,571.08 = 63,515.44 : x
  2. Step 2: Convert to fraction form
    111,273.04/153,571.08 = 63,515.44/x
  3. Step 3: Cross multiply
    111,273.04x = 153,571.08 × 63,515.44
  4. Step 4: Simplify right side
    111,273.04x = 9,754,134,717.48
  5. Step 5: Solve for x
    x = 9,754,134,717.48/111,273.04
  6. Step 6: Final answer
    x = 87,659.46

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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.