Home / 186,190.32-256,935.07-105,616.11

Finding the Fourth Proportional to 186,190.32, 256,935.07 and 105,616.11

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Solution

The fourth proportional to 186,190.32, 256,935.07 and 105,616.11 is: 145,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,190.32 : 256,935.07 = 105,616.11 : x
  2. Step 2: Convert to fraction form
    186,190.32/256,935.07 = 105,616.11/x
  3. Step 3: Cross multiply
    186,190.32x = 256,935.07 × 105,616.11
  4. Step 4: Simplify right side
    186,190.32x = 27,136,482,615.98
  5. Step 5: Solve for x
    x = 27,136,482,615.98/186,190.32
  6. Step 6: Final answer
    x = 145,745.94

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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.