Home / 190,440.01-262,208.91-161,699.77

Finding the Fourth Proportional to 190,440.01, 262,208.91 and 161,699.77

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Solution

The fourth proportional to 190,440.01, 262,208.91 and 161,699.77 is: 222,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,440.01 : 262,208.91 = 161,699.77 : x
  2. Step 2: Convert to fraction form
    190,440.01/262,208.91 = 161,699.77/x
  3. Step 3: Cross multiply
    190,440.01x = 262,208.91 × 161,699.77
  4. Step 4: Simplify right side
    190,440.01x = 42,399,120,438.95
  5. Step 5: Solve for x
    x = 42,399,120,438.95/190,440.01
  6. Step 6: Final answer
    x = 222,637.67

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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.