Home / 146,208.83-201,948.12-105,858.68

Finding the Fourth Proportional to 146,208.83, 201,948.12 and 105,858.68

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Solution

The fourth proportional to 146,208.83, 201,948.12 and 105,858.68 is: 146,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,208.83 : 201,948.12 = 105,858.68 : x
  2. Step 2: Convert to fraction form
    146,208.83/201,948.12 = 105,858.68/x
  3. Step 3: Cross multiply
    146,208.83x = 201,948.12 × 105,858.68
  4. Step 4: Simplify right side
    146,208.83x = 21,377,960,401.94
  5. Step 5: Solve for x
    x = 21,377,960,401.94/146,208.83
  6. Step 6: Final answer
    x = 146,215.25

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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.