Home / 190,628.34-263,063.01-118,011.90

Finding the Fourth Proportional to 190,628.34, 263,063.01 and 118,011.90

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Solution

The fourth proportional to 190,628.34, 263,063.01 and 118,011.90 is: 162,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,628.34 : 263,063.01 = 118,011.90 : x
  2. Step 2: Convert to fraction form
    190,628.34/263,063.01 = 118,011.90/x
  3. Step 3: Cross multiply
    190,628.34x = 263,063.01 × 118,011.90
  4. Step 4: Simplify right side
    190,628.34x = 31,044,565,629.82
  5. Step 5: Solve for x
    x = 31,044,565,629.82/190,628.34
  6. Step 6: Final answer
    x = 162,853.88

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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.