Home / 198,066.62-273,330.69-107,424.74

Finding the Fourth Proportional to 198,066.62, 273,330.69 and 107,424.74

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Solution

The fourth proportional to 198,066.62, 273,330.69 and 107,424.74 is: 148,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,066.62 : 273,330.69 = 107,424.74 : x
  2. Step 2: Convert to fraction form
    198,066.62/273,330.69 = 107,424.74/x
  3. Step 3: Cross multiply
    198,066.62x = 273,330.69 × 107,424.74
  4. Step 4: Simplify right side
    198,066.62x = 29,362,478,307.27
  5. Step 5: Solve for x
    x = 29,362,478,307.27/198,066.62
  6. Step 6: Final answer
    x = 148,245.47

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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.