Home / 190,080.77-261,943.88-144,686.84

Finding the Fourth Proportional to 190,080.77, 261,943.88 and 144,686.84

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Solution

The fourth proportional to 190,080.77, 261,943.88 and 144,686.84 is: 199,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,080.77 : 261,943.88 = 144,686.84 : x
  2. Step 2: Convert to fraction form
    190,080.77/261,943.88 = 144,686.84/x
  3. Step 3: Cross multiply
    190,080.77x = 261,943.88 × 144,686.84
  4. Step 4: Simplify right side
    190,080.77x = 37,899,830,221.39
  5. Step 5: Solve for x
    x = 37,899,830,221.39/190,080.77
  6. Step 6: Final answer
    x = 199,388.03

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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.