Home / 219,332.20-329,030.70-69,586.60

Finding the Fourth Proportional to 219,332.20, 329,030.70 and 69,586.60

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Solution

The fourth proportional to 219,332.20, 329,030.70 and 69,586.60 is: 104,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,332.20 : 329,030.70 = 69,586.60 : x
  2. Step 2: Convert to fraction form
    219,332.20/329,030.70 = 69,586.60/x
  3. Step 3: Cross multiply
    219,332.20x = 329,030.70 × 69,586.60
  4. Step 4: Simplify right side
    219,332.20x = 22,896,127,708.62
  5. Step 5: Solve for x
    x = 22,896,127,708.62/219,332.20
  6. Step 6: Final answer
    x = 104,390.18

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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.