Home / 190,273.13-262,585.26-105,390.20

Finding the Fourth Proportional to 190,273.13, 262,585.26 and 105,390.20

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Solution

The fourth proportional to 190,273.13, 262,585.26 and 105,390.20 is: 145,443.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,273.13 : 262,585.26 = 105,390.20 : x
  2. Step 2: Convert to fraction form
    190,273.13/262,585.26 = 105,390.20/x
  3. Step 3: Cross multiply
    190,273.13x = 262,585.26 × 105,390.20
  4. Step 4: Simplify right side
    190,273.13x = 27,673,911,755.53
  5. Step 5: Solve for x
    x = 27,673,911,755.53/190,273.13
  6. Step 6: Final answer
    x = 145,443.09

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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.