Home / 190,210.77-262,491.03-105,326.01

Finding the Fourth Proportional to 190,210.77, 262,491.03 and 105,326.01

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Solution

The fourth proportional to 190,210.77, 262,491.03 and 105,326.01 is: 145,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,210.77 : 262,491.03 = 105,326.01 : x
  2. Step 2: Convert to fraction form
    190,210.77/262,491.03 = 105,326.01/x
  3. Step 3: Cross multiply
    190,210.77x = 262,491.03 × 105,326.01
  4. Step 4: Simplify right side
    190,210.77x = 27,647,132,850.69
  5. Step 5: Solve for x
    x = 27,647,132,850.69/190,210.77
  6. Step 6: Final answer
    x = 145,349.99

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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.