Home / 105,935.78-146,192.41-58,189.13

Finding the Fourth Proportional to 105,935.78, 146,192.41 and 58,189.13

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Solution

The fourth proportional to 105,935.78, 146,192.41 and 58,189.13 is: 80,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,935.78 : 146,192.41 = 58,189.13 : x
  2. Step 2: Convert to fraction form
    105,935.78/146,192.41 = 58,189.13/x
  3. Step 3: Cross multiply
    105,935.78x = 146,192.41 × 58,189.13
  4. Step 4: Simplify right side
    105,935.78x = 8,506,808,850.24
  5. Step 5: Solve for x
    x = 8,506,808,850.24/105,935.78
  6. Step 6: Final answer
    x = 80,301.57

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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.