Home / 190,351.26-262,700.64-105,476.22

Finding the Fourth Proportional to 190,351.26, 262,700.64 and 105,476.22

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Solution

The fourth proportional to 190,351.26, 262,700.64 and 105,476.22 is: 145,565.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,351.26 : 262,700.64 = 105,476.22 : x
  2. Step 2: Convert to fraction form
    190,351.26/262,700.64 = 105,476.22/x
  3. Step 3: Cross multiply
    190,351.26x = 262,700.64 × 105,476.22
  4. Step 4: Simplify right side
    190,351.26x = 27,708,670,498.78
  5. Step 5: Solve for x
    x = 27,708,670,498.78/190,351.26
  6. Step 6: Final answer
    x = 145,565.99

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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.