Home / 187,683.42-259,007.33-107,109.34

Finding the Fourth Proportional to 187,683.42, 259,007.33 and 107,109.34

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Solution

The fourth proportional to 187,683.42, 259,007.33 and 107,109.34 is: 147,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,683.42 : 259,007.33 = 107,109.34 : x
  2. Step 2: Convert to fraction form
    187,683.42/259,007.33 = 107,109.34/x
  3. Step 3: Cross multiply
    187,683.42x = 259,007.33 × 107,109.34
  4. Step 4: Simplify right side
    187,683.42x = 27,742,104,171.46
  5. Step 5: Solve for x
    x = 27,742,104,171.46/187,683.42
  6. Step 6: Final answer
    x = 147,813.29

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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.