Home / 190,332.25-262,667.12-105,449.31

Finding the Fourth Proportional to 190,332.25, 262,667.12 and 105,449.31

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Solution

The fourth proportional to 190,332.25, 262,667.12 and 105,449.31 is: 145,524.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,332.25 : 262,667.12 = 105,449.31 : x
  2. Step 2: Convert to fraction form
    190,332.25/262,667.12 = 105,449.31/x
  3. Step 3: Cross multiply
    190,332.25x = 262,667.12 × 105,449.31
  4. Step 4: Simplify right side
    190,332.25x = 27,698,066,563.69
  5. Step 5: Solve for x
    x = 27,698,066,563.69/190,332.25
  6. Step 6: Final answer
    x = 145,524.82

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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.