Home / 190,184.59-262,462.94-105,301.66

Finding the Fourth Proportional to 190,184.59, 262,462.94 and 105,301.66

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Solution

The fourth proportional to 190,184.59, 262,462.94 and 105,301.66 is: 145,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,184.59 : 262,462.94 = 105,301.66 : x
  2. Step 2: Convert to fraction form
    190,184.59/262,462.94 = 105,301.66/x
  3. Step 3: Cross multiply
    190,184.59x = 262,462.94 × 105,301.66
  4. Step 4: Simplify right side
    190,184.59x = 27,637,782,743.97
  5. Step 5: Solve for x
    x = 27,637,782,743.97/190,184.59
  6. Step 6: Final answer
    x = 145,320.83

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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.