Home / 143,466.40-215,050.96-48,664.81

Finding the Fourth Proportional to 143,466.40, 215,050.96 and 48,664.81

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Solution

The fourth proportional to 143,466.40, 215,050.96 and 48,664.81 is: 72,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,466.40 : 215,050.96 = 48,664.81 : x
  2. Step 2: Convert to fraction form
    143,466.40/215,050.96 = 48,664.81/x
  3. Step 3: Cross multiply
    143,466.40x = 215,050.96 × 48,664.81
  4. Step 4: Simplify right side
    143,466.40x = 10,465,414,108.72
  5. Step 5: Solve for x
    x = 10,465,414,108.72/143,466.40
  6. Step 6: Final answer
    x = 72,946.80

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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.