Home / 119,289.64-164,628.42-71,541.96

Finding the Fourth Proportional to 119,289.64, 164,628.42 and 71,541.96

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Solution

The fourth proportional to 119,289.64, 164,628.42 and 71,541.96 is: 98,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,289.64 : 164,628.42 = 71,541.96 : x
  2. Step 2: Convert to fraction form
    119,289.64/164,628.42 = 71,541.96/x
  3. Step 3: Cross multiply
    119,289.64x = 164,628.42 × 71,541.96
  4. Step 4: Simplify right side
    119,289.64x = 11,777,839,838.50
  5. Step 5: Solve for x
    x = 11,777,839,838.50/119,289.64
  6. Step 6: Final answer
    x = 98,733.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.