Home / 190,020.04-262,113.42-125,489.87

Finding the Fourth Proportional to 190,020.04, 262,113.42 and 125,489.87

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Solution

The fourth proportional to 190,020.04, 262,113.42 and 125,489.87 is: 173,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,020.04 : 262,113.42 = 125,489.87 : x
  2. Step 2: Convert to fraction form
    190,020.04/262,113.42 = 125,489.87/x
  3. Step 3: Cross multiply
    190,020.04x = 262,113.42 × 125,489.87
  4. Step 4: Simplify right side
    190,020.04x = 32,892,579,912.51
  5. Step 5: Solve for x
    x = 32,892,579,912.51/190,020.04
  6. Step 6: Final answer
    x = 173,100.58

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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.