Home / 190,070.56-262,295.85-105,192.28

Finding the Fourth Proportional to 190,070.56, 262,295.85 and 105,192.28

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Solution

The fourth proportional to 190,070.56, 262,295.85 and 105,192.28 is: 145,164.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,070.56 : 262,295.85 = 105,192.28 : x
  2. Step 2: Convert to fraction form
    190,070.56/262,295.85 = 105,192.28/x
  3. Step 3: Cross multiply
    190,070.56x = 262,295.85 × 105,192.28
  4. Step 4: Simplify right side
    190,070.56x = 27,591,498,496.04
  5. Step 5: Solve for x
    x = 27,591,498,496.04/190,070.56
  6. Step 6: Final answer
    x = 145,164.50

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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.