Home / 190,331.75-262,666.43-105,448.82

Finding the Fourth Proportional to 190,331.75, 262,666.43 and 105,448.82

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Solution

The fourth proportional to 190,331.75, 262,666.43 and 105,448.82 is: 145,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,331.75 : 262,666.43 = 105,448.82 : x
  2. Step 2: Convert to fraction form
    190,331.75/262,666.43 = 105,448.82/x
  3. Step 3: Cross multiply
    190,331.75x = 262,666.43 × 105,448.82
  4. Step 4: Simplify right side
    190,331.75x = 27,697,863,256.54
  5. Step 5: Solve for x
    x = 27,697,863,256.54/190,331.75
  6. Step 6: Final answer
    x = 145,524.13

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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.