Home / 105,954.48-146,219.76-58,210.92

Finding the Fourth Proportional to 105,954.48, 146,219.76 and 58,210.92

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Solution

The fourth proportional to 105,954.48, 146,219.76 and 58,210.92 is: 80,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,954.48 : 146,219.76 = 58,210.92 : x
  2. Step 2: Convert to fraction form
    105,954.48/146,219.76 = 58,210.92/x
  3. Step 3: Cross multiply
    105,954.48x = 146,219.76 × 58,210.92
  4. Step 4: Simplify right side
    105,954.48x = 8,511,586,751.78
  5. Step 5: Solve for x
    x = 8,511,586,751.78/105,954.48
  6. Step 6: Final answer
    x = 80,332.49

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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.