Home / 105,867.48-146,088.43-58,119.19

Finding the Fourth Proportional to 105,867.48, 146,088.43 and 58,119.19

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Solution

The fourth proportional to 105,867.48, 146,088.43 and 58,119.19 is: 80,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,867.48 : 146,088.43 = 58,119.19 : x
  2. Step 2: Convert to fraction form
    105,867.48/146,088.43 = 58,119.19/x
  3. Step 3: Cross multiply
    105,867.48x = 146,088.43 × 58,119.19
  4. Step 4: Simplify right side
    105,867.48x = 8,490,541,219.97
  5. Step 5: Solve for x
    x = 8,490,541,219.97/105,867.48
  6. Step 6: Final answer
    x = 80,199.71

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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.