Home / 190,367.64-262,709.13-105,486.54

Finding the Fourth Proportional to 190,367.64, 262,709.13 and 105,486.54

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Solution

The fourth proportional to 190,367.64, 262,709.13 and 105,486.54 is: 145,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,367.64 : 262,709.13 = 105,486.54 : x
  2. Step 2: Convert to fraction form
    190,367.64/262,709.13 = 105,486.54/x
  3. Step 3: Cross multiply
    190,367.64x = 262,709.13 × 105,486.54
  4. Step 4: Simplify right side
    190,367.64x = 27,712,277,150.11
  5. Step 5: Solve for x
    x = 27,712,277,150.11/190,367.64
  6. Step 6: Final answer
    x = 145,572.42

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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.