Home / 105,923.70-159,462.68-91,460.34

Finding the Fourth Proportional to 105,923.70, 159,462.68 and 91,460.34

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Solution

The fourth proportional to 105,923.70, 159,462.68 and 91,460.34 is: 137,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,923.70 : 159,462.68 = 91,460.34 : x
  2. Step 2: Convert to fraction form
    105,923.70/159,462.68 = 91,460.34/x
  3. Step 3: Cross multiply
    105,923.70x = 159,462.68 × 91,460.34
  4. Step 4: Simplify right side
    105,923.70x = 14,584,510,472.81
  5. Step 5: Solve for x
    x = 14,584,510,472.81/105,923.70
  6. Step 6: Final answer
    x = 137,688.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.