Home / 190,019.11-262,112.13-125,488.94

Finding the Fourth Proportional to 190,019.11, 262,112.13 and 125,488.94

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Solution

The fourth proportional to 190,019.11, 262,112.13 and 125,488.94 is: 173,099.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,019.11 : 262,112.13 = 125,488.94 : x
  2. Step 2: Convert to fraction form
    190,019.11/262,112.13 = 125,488.94/x
  3. Step 3: Cross multiply
    190,019.11x = 262,112.13 × 125,488.94
  4. Step 4: Simplify right side
    190,019.11x = 32,892,172,727.40
  5. Step 5: Solve for x
    x = 32,892,172,727.40/190,019.11
  6. Step 6: Final answer
    x = 173,099.29

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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.