Home / 190,209.28-262,488.79-105,326.35

Finding the Fourth Proportional to 190,209.28, 262,488.79 and 105,326.35

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Solution

The fourth proportional to 190,209.28, 262,488.79 and 105,326.35 is: 145,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,209.28 : 262,488.79 = 105,326.35 : x
  2. Step 2: Convert to fraction form
    190,209.28/262,488.79 = 105,326.35/x
  3. Step 3: Cross multiply
    190,209.28x = 262,488.79 × 105,326.35
  4. Step 4: Simplify right side
    190,209.28x = 27,646,986,166.62
  5. Step 5: Solve for x
    x = 27,646,986,166.62/190,209.28
  6. Step 6: Final answer
    x = 145,350.35

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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.