Home / 147,427.22-203,179.39-107,070.69

Finding the Fourth Proportional to 147,427.22, 203,179.39 and 107,070.69

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Solution

The fourth proportional to 147,427.22, 203,179.39 and 107,070.69 is: 147,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,427.22 : 203,179.39 = 107,070.69 : x
  2. Step 2: Convert to fraction form
    147,427.22/203,179.39 = 107,070.69/x
  3. Step 3: Cross multiply
    147,427.22x = 203,179.39 × 107,070.69
  4. Step 4: Simplify right side
    147,427.22x = 21,754,557,975.33
  5. Step 5: Solve for x
    x = 21,754,557,975.33/147,427.22
  6. Step 6: Final answer
    x = 147,561.34

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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.