Home / 199,438.40-299,171.17-57,272.77

Finding the Fourth Proportional to 199,438.40, 299,171.17 and 57,272.77

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Solution

The fourth proportional to 199,438.40, 299,171.17 and 57,272.77 is: 85,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,438.40 : 299,171.17 = 57,272.77 : x
  2. Step 2: Convert to fraction form
    199,438.40/299,171.17 = 57,272.77/x
  3. Step 3: Cross multiply
    199,438.40x = 299,171.17 × 57,272.77
  4. Step 4: Simplify right side
    199,438.40x = 17,134,362,055.60
  5. Step 5: Solve for x
    x = 17,134,362,055.60/199,438.40
  6. Step 6: Final answer
    x = 85,913.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.