Home / 190,474.16-262,867.56-105,599.12

Finding the Fourth Proportional to 190,474.16, 262,867.56 and 105,599.12

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Solution

The fourth proportional to 190,474.16, 262,867.56 and 105,599.12 is: 145,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,474.16 : 262,867.56 = 105,599.12 : x
  2. Step 2: Convert to fraction form
    190,474.16/262,867.56 = 105,599.12/x
  3. Step 3: Cross multiply
    190,474.16x = 262,867.56 × 105,599.12
  4. Step 4: Simplify right side
    190,474.16x = 27,758,583,012.55
  5. Step 5: Solve for x
    x = 27,758,583,012.55/190,474.16
  6. Step 6: Final answer
    x = 145,734.11

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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.