Home / 164,511.60-246,767.40-107,430.90

Finding the Fourth Proportional to 164,511.60, 246,767.40 and 107,430.90

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Solution

The fourth proportional to 164,511.60, 246,767.40 and 107,430.90 is: 161,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,511.60 : 246,767.40 = 107,430.90 : x
  2. Step 2: Convert to fraction form
    164,511.60/246,767.40 = 107,430.90/x
  3. Step 3: Cross multiply
    164,511.60x = 246,767.40 × 107,430.90
  4. Step 4: Simplify right side
    164,511.60x = 26,510,443,872.66
  5. Step 5: Solve for x
    x = 26,510,443,872.66/164,511.60
  6. Step 6: Final answer
    x = 161,146.35

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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.