Home / 190,125.28-262,374.96-105,243.76

Finding the Fourth Proportional to 190,125.28, 262,374.96 and 105,243.76

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Solution

The fourth proportional to 190,125.28, 262,374.96 and 105,243.76 is: 145,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,125.28 : 262,374.96 = 105,243.76 : x
  2. Step 2: Convert to fraction form
    190,125.28/262,374.96 = 105,243.76/x
  3. Step 3: Cross multiply
    190,125.28x = 262,374.96 × 105,243.76
  4. Step 4: Simplify right side
    190,125.28x = 27,613,327,320.25
  5. Step 5: Solve for x
    x = 27,613,327,320.25/190,125.28
  6. Step 6: Final answer
    x = 145,237.54

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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.