Home / 105,896.58-146,139.66-58,150.14

Finding the Fourth Proportional to 105,896.58, 146,139.66 and 58,150.14

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Solution

The fourth proportional to 105,896.58, 146,139.66 and 58,150.14 is: 80,248.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,896.58 : 146,139.66 = 58,150.14 : x
  2. Step 2: Convert to fraction form
    105,896.58/146,139.66 = 58,150.14/x
  3. Step 3: Cross multiply
    105,896.58x = 146,139.66 × 58,150.14
  4. Step 4: Simplify right side
    105,896.58x = 8,498,041,688.55
  5. Step 5: Solve for x
    x = 8,498,041,688.55/105,896.58
  6. Step 6: Final answer
    x = 80,248.50

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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.