Home / 146,159.17-201,699.61-79,091.17

Finding the Fourth Proportional to 146,159.17, 201,699.61 and 79,091.17

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Solution

The fourth proportional to 146,159.17, 201,699.61 and 79,091.17 is: 109,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,159.17 : 201,699.61 = 79,091.17 : x
  2. Step 2: Convert to fraction form
    146,159.17/201,699.61 = 79,091.17/x
  3. Step 3: Cross multiply
    146,159.17x = 201,699.61 × 79,091.17
  4. Step 4: Simplify right side
    146,159.17x = 15,952,658,143.44
  5. Step 5: Solve for x
    x = 15,952,658,143.44/146,159.17
  6. Step 6: Final answer
    x = 109,145.79

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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.