Home / 197,712.35-272,841.69-107,066.24

Finding the Fourth Proportional to 197,712.35, 272,841.69 and 107,066.24

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Solution

The fourth proportional to 197,712.35, 272,841.69 and 107,066.24 is: 147,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,712.35 : 272,841.69 = 107,066.24 : x
  2. Step 2: Convert to fraction form
    197,712.35/272,841.69 = 107,066.24/x
  3. Step 3: Cross multiply
    197,712.35x = 272,841.69 × 107,066.24
  4. Step 4: Simplify right side
    197,712.35x = 29,212,133,863.55
  5. Step 5: Solve for x
    x = 29,212,133,863.55/197,712.35
  6. Step 6: Final answer
    x = 147,750.68

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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.