Home / 105,946.32-146,198.70-58,201.68

Finding the Fourth Proportional to 105,946.32, 146,198.70 and 58,201.68

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Solution

The fourth proportional to 105,946.32, 146,198.70 and 58,201.68 is: 80,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,946.32 : 146,198.70 = 58,201.68 : x
  2. Step 2: Convert to fraction form
    105,946.32/146,198.70 = 58,201.68/x
  3. Step 3: Cross multiply
    105,946.32x = 146,198.70 × 58,201.68
  4. Step 4: Simplify right side
    105,946.32x = 8,509,009,953.82
  5. Step 5: Solve for x
    x = 8,509,009,953.82/105,946.32
  6. Step 6: Final answer
    x = 80,314.35

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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.