Home / 110,945.52-153,087.12-63,199.80

Finding the Fourth Proportional to 110,945.52, 153,087.12 and 63,199.80

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Solution

The fourth proportional to 110,945.52, 153,087.12 and 63,199.80 is: 87,205.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,945.52 : 153,087.12 = 63,199.80 : x
  2. Step 2: Convert to fraction form
    110,945.52/153,087.12 = 63,199.80/x
  3. Step 3: Cross multiply
    110,945.52x = 153,087.12 × 63,199.80
  4. Step 4: Simplify right side
    110,945.52x = 9,675,075,366.58
  5. Step 5: Solve for x
    x = 9,675,075,366.58/110,945.52
  6. Step 6: Final answer
    x = 87,205.64

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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.