Home / 190,192.32-262,453.92-105,304.32

Finding the Fourth Proportional to 190,192.32, 262,453.92 and 105,304.32

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Solution

The fourth proportional to 190,192.32, 262,453.92 and 105,304.32 is: 145,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,192.32 : 262,453.92 = 105,304.32 : x
  2. Step 2: Convert to fraction form
    190,192.32/262,453.92 = 105,304.32/x
  3. Step 3: Cross multiply
    190,192.32x = 262,453.92 × 105,304.32
  4. Step 4: Simplify right side
    190,192.32x = 27,637,531,576.93
  5. Step 5: Solve for x
    x = 27,637,531,576.93/190,192.32
  6. Step 6: Final answer
    x = 145,313.60

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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.