Home / 165,007.87-247,615.93-70,237.91

Finding the Fourth Proportional to 165,007.87, 247,615.93 and 70,237.91

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Solution

The fourth proportional to 165,007.87, 247,615.93 and 70,237.91 is: 105,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,007.87 : 247,615.93 = 70,237.91 : x
  2. Step 2: Convert to fraction form
    165,007.87/247,615.93 = 70,237.91/x
  3. Step 3: Cross multiply
    165,007.87x = 247,615.93 × 70,237.91
  4. Step 4: Simplify right side
    165,007.87x = 17,392,025,405.91
  5. Step 5: Solve for x
    x = 17,392,025,405.91/165,007.87
  6. Step 6: Final answer
    x = 105,401.19

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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.