Home / 260,304.11-390,548.64-116,196.87

Finding the Fourth Proportional to 260,304.11, 390,548.64 and 116,196.87

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Solution

The fourth proportional to 260,304.11, 390,548.64 and 116,196.87 is: 174,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,304.11 : 390,548.64 = 116,196.87 : x
  2. Step 2: Convert to fraction form
    260,304.11/390,548.64 = 116,196.87/x
  3. Step 3: Cross multiply
    260,304.11x = 390,548.64 × 116,196.87
  4. Step 4: Simplify right side
    260,304.11x = 45,380,529,550.76
  5. Step 5: Solve for x
    x = 45,380,529,550.76/260,304.11
  6. Step 6: Final answer
    x = 174,336.58

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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.