Home / 190,023.55-262,118.25-125,493.38

Finding the Fourth Proportional to 190,023.55, 262,118.25 and 125,493.38

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Solution

The fourth proportional to 190,023.55, 262,118.25 and 125,493.38 is: 173,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,023.55 : 262,118.25 = 125,493.38 : x
  2. Step 2: Convert to fraction form
    190,023.55/262,118.25 = 125,493.38/x
  3. Step 3: Cross multiply
    190,023.55x = 262,118.25 × 125,493.38
  4. Step 4: Simplify right side
    190,023.55x = 32,894,105,152.19
  5. Step 5: Solve for x
    x = 32,894,105,152.19/190,023.55
  6. Step 6: Final answer
    x = 173,105.41

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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.