Home / 215,790.15-323,684.69-58,018.59

Finding the Fourth Proportional to 215,790.15, 323,684.69 and 58,018.59

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Solution

The fourth proportional to 215,790.15, 323,684.69 and 58,018.59 is: 87,027.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,790.15 : 323,684.69 = 58,018.59 : x
  2. Step 2: Convert to fraction form
    215,790.15/323,684.69 = 58,018.59/x
  3. Step 3: Cross multiply
    215,790.15x = 323,684.69 × 58,018.59
  4. Step 4: Simplify right side
    215,790.15x = 18,779,729,028.29
  5. Step 5: Solve for x
    x = 18,779,729,028.29/215,790.15
  6. Step 6: Final answer
    x = 87,027.74

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1.5x scale

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.