Home / 143,030.90-214,575.86-46,975.36

Finding the Fourth Proportional to 143,030.90, 214,575.86 and 46,975.36

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Solution

The fourth proportional to 143,030.90, 214,575.86 and 46,975.36 is: 70,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,030.90 : 214,575.86 = 46,975.36 : x
  2. Step 2: Convert to fraction form
    143,030.90/214,575.86 = 46,975.36/x
  3. Step 3: Cross multiply
    143,030.90x = 214,575.86 × 46,975.36
  4. Step 4: Simplify right side
    143,030.90x = 10,079,777,499.49
  5. Step 5: Solve for x
    x = 10,079,777,499.49/143,030.90
  6. Step 6: Final answer
    x = 70,472.73

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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.