Home / 190,562.42-262,988.12-105,679.49

Finding the Fourth Proportional to 190,562.42, 262,988.12 and 105,679.49

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Solution

The fourth proportional to 190,562.42, 262,988.12 and 105,679.49 is: 145,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,562.42 : 262,988.12 = 105,679.49 : x
  2. Step 2: Convert to fraction form
    190,562.42/262,988.12 = 105,679.49/x
  3. Step 3: Cross multiply
    190,562.42x = 262,988.12 × 105,679.49
  4. Step 4: Simplify right side
    190,562.42x = 27,792,448,752.47
  5. Step 5: Solve for x
    x = 27,792,448,752.47/190,562.42
  6. Step 6: Final answer
    x = 145,844.33

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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.