Home / 124,240.68-186,455.43-91,047.42

Finding the Fourth Proportional to 124,240.68, 186,455.43 and 91,047.42

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Solution

The fourth proportional to 124,240.68, 186,455.43 and 91,047.42 is: 136,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,240.68 : 186,455.43 = 91,047.42 : x
  2. Step 2: Convert to fraction form
    124,240.68/186,455.43 = 91,047.42/x
  3. Step 3: Cross multiply
    124,240.68x = 186,455.43 × 91,047.42
  4. Step 4: Simplify right side
    124,240.68x = 16,976,285,846.49
  5. Step 5: Solve for x
    x = 16,976,285,846.49/124,240.68
  6. Step 6: Final answer
    x = 136,640.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.