Home / 198,501.96-273,931.56-107,857.32

Finding the Fourth Proportional to 198,501.96, 273,931.56 and 107,857.32

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Solution

The fourth proportional to 198,501.96, 273,931.56 and 107,857.32 is: 148,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,501.96 : 273,931.56 = 107,857.32 : x
  2. Step 2: Convert to fraction form
    198,501.96/273,931.56 = 107,857.32/x
  3. Step 3: Cross multiply
    198,501.96x = 273,931.56 × 107,857.32
  4. Step 4: Simplify right side
    198,501.96x = 29,545,523,925.02
  5. Step 5: Solve for x
    x = 29,545,523,925.02/198,501.96
  6. Step 6: Final answer
    x = 148,842.48

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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.