Home / 109,848.15-164,790.45-43,290.45

Finding the Fourth Proportional to 109,848.15, 164,790.45 and 43,290.45

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Solution

The fourth proportional to 109,848.15, 164,790.45 and 43,290.45 is: 64,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,848.15 : 164,790.45 = 43,290.45 : x
  2. Step 2: Convert to fraction form
    109,848.15/164,790.45 = 43,290.45/x
  3. Step 3: Cross multiply
    109,848.15x = 164,790.45 × 43,290.45
  4. Step 4: Simplify right side
    109,848.15x = 7,133,852,736.20
  5. Step 5: Solve for x
    x = 7,133,852,736.20/109,848.15
  6. Step 6: Final answer
    x = 64,942.86

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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.