Home / 190,688.15-263,140.57-104,645.19

Finding the Fourth Proportional to 190,688.15, 263,140.57 and 104,645.19

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Solution

The fourth proportional to 190,688.15, 263,140.57 and 104,645.19 is: 144,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,688.15 : 263,140.57 = 104,645.19 : x
  2. Step 2: Convert to fraction form
    190,688.15/263,140.57 = 104,645.19/x
  3. Step 3: Cross multiply
    190,688.15x = 263,140.57 × 104,645.19
  4. Step 4: Simplify right side
    190,688.15x = 27,536,393,628.66
  5. Step 5: Solve for x
    x = 27,536,393,628.66/190,688.15
  6. Step 6: Final answer
    x = 144,405.38

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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.