Home / 190,153.82-262,411.37-102,938.69

Finding the Fourth Proportional to 190,153.82, 262,411.37 and 102,938.69

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Solution

The fourth proportional to 190,153.82, 262,411.37 and 102,938.69 is: 142,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,153.82 : 262,411.37 = 102,938.69 : x
  2. Step 2: Convert to fraction form
    190,153.82/262,411.37 = 102,938.69/x
  3. Step 3: Cross multiply
    190,153.82x = 262,411.37 × 102,938.69
  4. Step 4: Simplify right side
    190,153.82x = 27,012,282,668.91
  5. Step 5: Solve for x
    x = 27,012,282,668.91/190,153.82
  6. Step 6: Final answer
    x = 142,054.90

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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.