Home / 164,638.24-246,951.81-69,807.40

Finding the Fourth Proportional to 164,638.24, 246,951.81 and 69,807.40

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Solution

The fourth proportional to 164,638.24, 246,951.81 and 69,807.40 is: 104,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,638.24 : 246,951.81 = 69,807.40 : x
  2. Step 2: Convert to fraction form
    164,638.24/246,951.81 = 69,807.40/x
  3. Step 3: Cross multiply
    164,638.24x = 246,951.81 × 69,807.40
  4. Step 4: Simplify right side
    164,638.24x = 17,239,063,781.39
  5. Step 5: Solve for x
    x = 17,239,063,781.39/164,638.24
  6. Step 6: Final answer
    x = 104,708.75

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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.