Home / 190,894.88-263,393.16-115,441.76

Finding the Fourth Proportional to 190,894.88, 263,393.16 and 115,441.76

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Solution

The fourth proportional to 190,894.88, 263,393.16 and 115,441.76 is: 159,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,894.88 : 263,393.16 = 115,441.76 : x
  2. Step 2: Convert to fraction form
    190,894.88/263,393.16 = 115,441.76/x
  3. Step 3: Cross multiply
    190,894.88x = 263,393.16 × 115,441.76
  4. Step 4: Simplify right side
    190,894.88x = 30,406,569,962.36
  5. Step 5: Solve for x
    x = 30,406,569,962.36/190,894.88
  6. Step 6: Final answer
    x = 159,284.37

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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.