Home / 190,109.04-262,347.30-105,224.28

Finding the Fourth Proportional to 190,109.04, 262,347.30 and 105,224.28

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Solution

The fourth proportional to 190,109.04, 262,347.30 and 105,224.28 is: 145,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,109.04 : 262,347.30 = 105,224.28 : x
  2. Step 2: Convert to fraction form
    190,109.04/262,347.30 = 105,224.28/x
  3. Step 3: Cross multiply
    190,109.04x = 262,347.30 × 105,224.28
  4. Step 4: Simplify right side
    190,109.04x = 27,605,305,752.44
  5. Step 5: Solve for x
    x = 27,605,305,752.44/190,109.04
  6. Step 6: Final answer
    x = 145,207.75

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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.