Home / 190,382.96-262,730.04-105,501.44

Finding the Fourth Proportional to 190,382.96, 262,730.04 and 105,501.44

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Solution

The fourth proportional to 190,382.96, 262,730.04 and 105,501.44 is: 145,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,382.96 : 262,730.04 = 105,501.44 : x
  2. Step 2: Convert to fraction form
    190,382.96/262,730.04 = 105,501.44/x
  3. Step 3: Cross multiply
    190,382.96x = 262,730.04 × 105,501.44
  4. Step 4: Simplify right side
    190,382.96x = 27,718,397,551.26
  5. Step 5: Solve for x
    x = 27,718,397,551.26/190,382.96
  6. Step 6: Final answer
    x = 145,592.85

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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.