Home / 190,139.66-262,570.54-122,274.49

Finding the Fourth Proportional to 190,139.66, 262,570.54 and 122,274.49

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Solution

The fourth proportional to 190,139.66, 262,570.54 and 122,274.49 is: 168,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,139.66 : 262,570.54 = 122,274.49 : x
  2. Step 2: Convert to fraction form
    190,139.66/262,570.54 = 122,274.49/x
  3. Step 3: Cross multiply
    190,139.66x = 262,570.54 × 122,274.49
  4. Step 4: Simplify right side
    190,139.66x = 32,105,677,544.62
  5. Step 5: Solve for x
    x = 32,105,677,544.62/190,139.66
  6. Step 6: Final answer
    x = 168,853.13

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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.