Home / 170,101.04-255,208.91-75,318.28

Finding the Fourth Proportional to 170,101.04, 255,208.91 and 75,318.28

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Solution

The fourth proportional to 170,101.04, 255,208.91 and 75,318.28 is: 113,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,101.04 : 255,208.91 = 75,318.28 : x
  2. Step 2: Convert to fraction form
    170,101.04/255,208.91 = 75,318.28/x
  3. Step 3: Cross multiply
    170,101.04x = 255,208.91 × 75,318.28
  4. Step 4: Simplify right side
    170,101.04x = 19,221,895,127.26
  5. Step 5: Solve for x
    x = 19,221,895,127.26/170,101.04
  6. Step 6: Final answer
    x = 113,002.81

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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.