Home / 106,210.85-146,616.89-75,943.58

Finding the Fourth Proportional to 106,210.85, 146,616.89 and 75,943.58

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Solution

The fourth proportional to 106,210.85, 146,616.89 and 75,943.58 is: 104,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,210.85 : 146,616.89 = 75,943.58 : x
  2. Step 2: Convert to fraction form
    106,210.85/146,616.89 = 75,943.58/x
  3. Step 3: Cross multiply
    106,210.85x = 146,616.89 × 75,943.58
  4. Step 4: Simplify right side
    106,210.85x = 11,134,610,402.26
  5. Step 5: Solve for x
    x = 11,134,610,402.26/106,210.85
  6. Step 6: Final answer
    x = 104,834.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.