Home / 263,063.16-363,030.66-155,630.43

Finding the Fourth Proportional to 263,063.16, 363,030.66 and 155,630.43

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Solution

The fourth proportional to 263,063.16, 363,030.66 and 155,630.43 is: 214,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,063.16 : 363,030.66 = 155,630.43 : x
  2. Step 2: Convert to fraction form
    263,063.16/363,030.66 = 155,630.43/x
  3. Step 3: Cross multiply
    263,063.16x = 363,030.66 × 155,630.43
  4. Step 4: Simplify right side
    263,063.16x = 56,498,617,718.98
  5. Step 5: Solve for x
    x = 56,498,617,718.98/263,063.16
  6. Step 6: Final answer
    x = 214,772.06

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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.