Home / 190,862.39-263,401.96-105,980.06

Finding the Fourth Proportional to 190,862.39, 263,401.96 and 105,980.06

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Solution

The fourth proportional to 190,862.39, 263,401.96 and 105,980.06 is: 146,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,862.39 : 263,401.96 = 105,980.06 : x
  2. Step 2: Convert to fraction form
    190,862.39/263,401.96 = 105,980.06/x
  3. Step 3: Cross multiply
    190,862.39x = 263,401.96 × 105,980.06
  4. Step 4: Simplify right side
    190,862.39x = 27,915,354,207.91
  5. Step 5: Solve for x
    x = 27,915,354,207.91/190,862.39
  6. Step 6: Final answer
    x = 146,259.07

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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.