Home / 190,313.27-262,613.18-105,414.47

Finding the Fourth Proportional to 190,313.27, 262,613.18 and 105,414.47

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Solution

The fourth proportional to 190,313.27, 262,613.18 and 105,414.47 is: 145,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,313.27 : 262,613.18 = 105,414.47 : x
  2. Step 2: Convert to fraction form
    190,313.27/262,613.18 = 105,414.47/x
  3. Step 3: Cross multiply
    190,313.27x = 262,613.18 × 105,414.47
  4. Step 4: Simplify right side
    190,313.27x = 27,683,228,657.64
  5. Step 5: Solve for x
    x = 27,683,228,657.64/190,313.27
  6. Step 6: Final answer
    x = 145,461.37

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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.