Home / 106,145.46-159,242.79-46,981.64

Finding the Fourth Proportional to 106,145.46, 159,242.79 and 46,981.64

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Solution

The fourth proportional to 106,145.46, 159,242.79 and 46,981.64 is: 70,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,145.46 : 159,242.79 = 46,981.64 : x
  2. Step 2: Convert to fraction form
    106,145.46/159,242.79 = 46,981.64/x
  3. Step 3: Cross multiply
    106,145.46x = 159,242.79 × 46,981.64
  4. Step 4: Simplify right side
    106,145.46x = 7,481,486,636.16
  5. Step 5: Solve for x
    x = 7,481,486,636.16/106,145.46
  6. Step 6: Final answer
    x = 70,483.34

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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.