Home / 197,447.12-272,483.28-108,023.12

Finding the Fourth Proportional to 197,447.12, 272,483.28 and 108,023.12

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Solution

The fourth proportional to 197,447.12, 272,483.28 and 108,023.12 is: 149,075.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,447.12 : 272,483.28 = 108,023.12 : x
  2. Step 2: Convert to fraction form
    197,447.12/272,483.28 = 108,023.12/x
  3. Step 3: Cross multiply
    197,447.12x = 272,483.28 × 108,023.12
  4. Step 4: Simplify right side
    197,447.12x = 29,434,494,053.43
  5. Step 5: Solve for x
    x = 29,434,494,053.43/197,447.12
  6. Step 6: Final answer
    x = 149,075.33

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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.