Home / 240,130.35-360,249-71,653.59

Finding the Fourth Proportional to 240,130.35, 360,249 and 71,653.59

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Solution

The fourth proportional to 240,130.35, 360,249 and 71,653.59 is: 107,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,130.35 : 360,249 = 71,653.59 : x
  2. Step 2: Convert to fraction form
    240,130.35/360,249 = 71,653.59/x
  3. Step 3: Cross multiply
    240,130.35x = 360,249 × 71,653.59
  4. Step 4: Simplify right side
    240,130.35x = 25,813,134,143.91
  5. Step 5: Solve for x
    x = 25,813,134,143.91/240,130.35
  6. Step 6: Final answer
    x = 107,496.34

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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.