Home / 190,407.30-262,762.07-105,529.83

Finding the Fourth Proportional to 190,407.30, 262,762.07 and 105,529.83

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Solution

The fourth proportional to 190,407.30, 262,762.07 and 105,529.83 is: 145,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,407.30 : 262,762.07 = 105,529.83 : x
  2. Step 2: Convert to fraction form
    190,407.30/262,762.07 = 105,529.83/x
  3. Step 3: Cross multiply
    190,407.30x = 262,762.07 × 105,529.83
  4. Step 4: Simplify right side
    190,407.30x = 27,729,236,577.55
  5. Step 5: Solve for x
    x = 27,729,236,577.55/190,407.30
  6. Step 6: Final answer
    x = 145,631.16

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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.