Home / 198,139.47-273,462.48-126,567.16

Finding the Fourth Proportional to 198,139.47, 273,462.48 and 126,567.16

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Solution

The fourth proportional to 198,139.47, 273,462.48 and 126,567.16 is: 174,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,139.47 : 273,462.48 = 126,567.16 : x
  2. Step 2: Convert to fraction form
    198,139.47/273,462.48 = 126,567.16/x
  3. Step 3: Cross multiply
    198,139.47x = 273,462.48 × 126,567.16
  4. Step 4: Simplify right side
    198,139.47x = 34,611,368,776.50
  5. Step 5: Solve for x
    x = 34,611,368,776.50/198,139.47
  6. Step 6: Final answer
    x = 174,681.85

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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.