Home / 190,331.36-262,653.84-105,448.16

Finding the Fourth Proportional to 190,331.36, 262,653.84 and 105,448.16

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Solution

The fourth proportional to 190,331.36, 262,653.84 and 105,448.16 is: 145,516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,331.36 : 262,653.84 = 105,448.16 : x
  2. Step 2: Convert to fraction form
    190,331.36/262,653.84 = 105,448.16/x
  3. Step 3: Cross multiply
    190,331.36x = 262,653.84 × 105,448.16
  4. Step 4: Simplify right side
    190,331.36x = 27,696,364,144.93
  5. Step 5: Solve for x
    x = 27,696,364,144.93/190,331.36
  6. Step 6: Final answer
    x = 145,516.56

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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.