Home / 190,313.25-262,513.51-122,418.74

Finding the Fourth Proportional to 190,313.25, 262,513.51 and 122,418.74

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Solution

The fourth proportional to 190,313.25, 262,513.51 and 122,418.74 is: 168,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,313.25 : 262,513.51 = 122,418.74 : x
  2. Step 2: Convert to fraction form
    190,313.25/262,513.51 = 122,418.74/x
  3. Step 3: Cross multiply
    190,313.25x = 262,513.51 × 122,418.74
  4. Step 4: Simplify right side
    190,313.25x = 32,136,573,477.41
  5. Step 5: Solve for x
    x = 32,136,573,477.41/190,313.25
  6. Step 6: Final answer
    x = 168,861.46

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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.