Home / 110,075.08-151,920.48-88,788.28

Finding the Fourth Proportional to 110,075.08, 151,920.48 and 88,788.28

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Solution

The fourth proportional to 110,075.08, 151,920.48 and 88,788.28 is: 122,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,075.08 : 151,920.48 = 88,788.28 : x
  2. Step 2: Convert to fraction form
    110,075.08/151,920.48 = 88,788.28/x
  3. Step 3: Cross multiply
    110,075.08x = 151,920.48 × 88,788.28
  4. Step 4: Simplify right side
    110,075.08x = 13,488,758,115.97
  5. Step 5: Solve for x
    x = 13,488,758,115.97/110,075.08
  6. Step 6: Final answer
    x = 122,541.43

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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.