Home / 293,087.60-439,631.40-272,092.40

Finding the Fourth Proportional to 293,087.60, 439,631.40 and 272,092.40

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Solution

The fourth proportional to 293,087.60, 439,631.40 and 272,092.40 is: 408,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,087.60 : 439,631.40 = 272,092.40 : x
  2. Step 2: Convert to fraction form
    293,087.60/439,631.40 = 272,092.40/x
  3. Step 3: Cross multiply
    293,087.60x = 439,631.40 × 272,092.40
  4. Step 4: Simplify right side
    293,087.60x = 119,620,362,741.36
  5. Step 5: Solve for x
    x = 119,620,362,741.36/293,087.60
  6. Step 6: Final answer
    x = 408,138.60

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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.