Home / 114,935.03-172,252.63-71,640.08

Finding the Fourth Proportional to 114,935.03, 172,252.63 and 71,640.08

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Solution

The fourth proportional to 114,935.03, 172,252.63 and 71,640.08 is: 107,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,935.03 : 172,252.63 = 71,640.08 : x
  2. Step 2: Convert to fraction form
    114,935.03/172,252.63 = 71,640.08/x
  3. Step 3: Cross multiply
    114,935.03x = 172,252.63 × 71,640.08
  4. Step 4: Simplify right side
    114,935.03x = 12,340,191,664.67
  5. Step 5: Solve for x
    x = 12,340,191,664.67/114,935.03
  6. Step 6: Final answer
    x = 107,366.67

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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.