Home / 190,356.96-262,688.80-105,474.72

Finding the Fourth Proportional to 190,356.96, 262,688.80 and 105,474.72

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Solution

The fourth proportional to 190,356.96, 262,688.80 and 105,474.72 is: 145,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,356.96 : 262,688.80 = 105,474.72 : x
  2. Step 2: Convert to fraction form
    190,356.96/262,688.80 = 105,474.72/x
  3. Step 3: Cross multiply
    190,356.96x = 262,688.80 × 105,474.72
  4. Step 4: Simplify right side
    190,356.96x = 27,707,027,627.14
  5. Step 5: Solve for x
    x = 27,707,027,627.14/190,356.96
  6. Step 6: Final answer
    x = 145,553.01

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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.