Home / 201,516.96-302,295.16-75,127.72

Finding the Fourth Proportional to 201,516.96, 302,295.16 and 75,127.72

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Solution

The fourth proportional to 201,516.96, 302,295.16 and 75,127.72 is: 112,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,516.96 : 302,295.16 = 75,127.72 : x
  2. Step 2: Convert to fraction form
    201,516.96/302,295.16 = 75,127.72/x
  3. Step 3: Cross multiply
    201,516.96x = 302,295.16 × 75,127.72
  4. Step 4: Simplify right side
    201,516.96x = 22,710,746,137.84
  5. Step 5: Solve for x
    x = 22,710,746,137.84/201,516.96
  6. Step 6: Final answer
    x = 112,698.93

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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.