Home / 190,187.60-262,458.89-105,304.66

Finding the Fourth Proportional to 190,187.60, 262,458.89 and 105,304.66

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Solution

The fourth proportional to 190,187.60, 262,458.89 and 105,304.66 is: 145,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,187.60 : 262,458.89 = 105,304.66 : x
  2. Step 2: Convert to fraction form
    190,187.60/262,458.89 = 105,304.66/x
  3. Step 3: Cross multiply
    190,187.60x = 262,458.89 × 105,304.66
  4. Step 4: Simplify right side
    190,187.60x = 27,638,143,387.65
  5. Step 5: Solve for x
    x = 27,638,143,387.65/190,187.60
  6. Step 6: Final answer
    x = 145,320.43

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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.