Home / 190,102.36-262,337.34-105,214.36

Finding the Fourth Proportional to 190,102.36, 262,337.34 and 105,214.36

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Solution

The fourth proportional to 190,102.36, 262,337.34 and 105,214.36 is: 145,193.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,102.36 : 262,337.34 = 105,214.36 : x
  2. Step 2: Convert to fraction form
    190,102.36/262,337.34 = 105,214.36/x
  3. Step 3: Cross multiply
    190,102.36x = 262,337.34 × 105,214.36
  4. Step 4: Simplify right side
    190,102.36x = 27,601,655,332.20
  5. Step 5: Solve for x
    x = 27,601,655,332.20/190,102.36
  6. Step 6: Final answer
    x = 145,193.65

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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.