Home / 136,914.72-188,727.93-125,916.84

Finding the Fourth Proportional to 136,914.72, 188,727.93 and 125,916.84

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Solution

The fourth proportional to 136,914.72, 188,727.93 and 125,916.84 is: 173,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,914.72 : 188,727.93 = 125,916.84 : x
  2. Step 2: Convert to fraction form
    136,914.72/188,727.93 = 125,916.84/x
  3. Step 3: Cross multiply
    136,914.72x = 188,727.93 × 125,916.84
  4. Step 4: Simplify right side
    136,914.72x = 23,764,024,565.34
  5. Step 5: Solve for x
    x = 23,764,024,565.34/136,914.72
  6. Step 6: Final answer
    x = 173,568.08

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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.