Home / 190,859.37-263,488.18-147,156.46

Finding the Fourth Proportional to 190,859.37, 263,488.18 and 147,156.46

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Solution

The fourth proportional to 190,859.37, 263,488.18 and 147,156.46 is: 203,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,859.37 : 263,488.18 = 147,156.46 : x
  2. Step 2: Convert to fraction form
    190,859.37/263,488.18 = 147,156.46/x
  3. Step 3: Cross multiply
    190,859.37x = 263,488.18 × 147,156.46
  4. Step 4: Simplify right side
    190,859.37x = 38,773,987,820.64
  5. Step 5: Solve for x
    x = 38,773,987,820.64/190,859.37
  6. Step 6: Final answer
    x = 203,154.76

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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.