Home / 190,650.47-263,097.95-105,767.51

Finding the Fourth Proportional to 190,650.47, 263,097.95 and 105,767.51

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Solution

The fourth proportional to 190,650.47, 263,097.95 and 105,767.51 is: 145,959.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,650.47 : 263,097.95 = 105,767.51 : x
  2. Step 2: Convert to fraction form
    190,650.47/263,097.95 = 105,767.51/x
  3. Step 3: Cross multiply
    190,650.47x = 263,097.95 × 105,767.51
  4. Step 4: Simplify right side
    190,650.47x = 27,827,213,213.28
  5. Step 5: Solve for x
    x = 27,827,213,213.28/190,650.47
  6. Step 6: Final answer
    x = 145,959.33

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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.