Home / 142,904.12-214,169.32-58,565.54

Finding the Fourth Proportional to 142,904.12, 214,169.32 and 58,565.54

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Solution

The fourth proportional to 142,904.12, 214,169.32 and 58,565.54 is: 87,771.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,904.12 : 214,169.32 = 58,565.54 : x
  2. Step 2: Convert to fraction form
    142,904.12/214,169.32 = 58,565.54/x
  3. Step 3: Cross multiply
    142,904.12x = 214,169.32 × 58,565.54
  4. Step 4: Simplify right side
    142,904.12x = 12,542,941,554.08
  5. Step 5: Solve for x
    x = 12,542,941,554.08/142,904.12
  6. Step 6: Final answer
    x = 87,771.73

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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.