Home / 143,031.90-214,577.36-46,976.36

Finding the Fourth Proportional to 143,031.90, 214,577.36 and 46,976.36

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Solution

The fourth proportional to 143,031.90, 214,577.36 and 46,976.36 is: 70,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,031.90 : 214,577.36 = 46,976.36 : x
  2. Step 2: Convert to fraction form
    143,031.90/214,577.36 = 46,976.36/x
  3. Step 3: Cross multiply
    143,031.90x = 214,577.36 × 46,976.36
  4. Step 4: Simplify right side
    143,031.90x = 10,080,063,311.21
  5. Step 5: Solve for x
    x = 10,080,063,311.21/143,031.90
  6. Step 6: Final answer
    x = 70,474.23

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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.