Home / 190,527.60-262,923.48-105,645.36

Finding the Fourth Proportional to 190,527.60, 262,923.48 and 105,645.36

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Solution

The fourth proportional to 190,527.60, 262,923.48 and 105,645.36 is: 145,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,527.60 : 262,923.48 = 105,645.36 : x
  2. Step 2: Convert to fraction form
    190,527.60/262,923.48 = 105,645.36/x
  3. Step 3: Cross multiply
    190,527.60x = 262,923.48 × 105,645.36
  4. Step 4: Simplify right side
    190,527.60x = 27,776,645,697.05
  5. Step 5: Solve for x
    x = 27,776,645,697.05/190,527.60
  6. Step 6: Final answer
    x = 145,788.04

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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.