Home / 142,840.57-214,230.10-58,518.05

Finding the Fourth Proportional to 142,840.57, 214,230.10 and 58,518.05

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Solution

The fourth proportional to 142,840.57, 214,230.10 and 58,518.05 is: 87,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,840.57 : 214,230.10 = 58,518.05 : x
  2. Step 2: Convert to fraction form
    142,840.57/214,230.10 = 58,518.05/x
  3. Step 3: Cross multiply
    142,840.57x = 214,230.10 × 58,518.05
  4. Step 4: Simplify right side
    142,840.57x = 12,536,327,703.31
  5. Step 5: Solve for x
    x = 12,536,327,703.31/142,840.57
  6. Step 6: Final answer
    x = 87,764.48

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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.