Home / 198,196.08-273,509.18-107,549.74

Finding the Fourth Proportional to 198,196.08, 273,509.18 and 107,549.74

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Solution

The fourth proportional to 198,196.08, 273,509.18 and 107,549.74 is: 148,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,196.08 : 273,509.18 = 107,549.74 : x
  2. Step 2: Convert to fraction form
    198,196.08/273,509.18 = 107,549.74/x
  3. Step 3: Cross multiply
    198,196.08x = 273,509.18 × 107,549.74
  4. Step 4: Simplify right side
    198,196.08x = 29,415,841,196.61
  5. Step 5: Solve for x
    x = 29,415,841,196.61/198,196.08
  6. Step 6: Final answer
    x = 148,417.88

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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.