Home / 215,789.40-323,683.56-58,017.84

Finding the Fourth Proportional to 215,789.40, 323,683.56 and 58,017.84

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Solution

The fourth proportional to 215,789.40, 323,683.56 and 58,017.84 is: 87,026.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,789.40 : 323,683.56 = 58,017.84 : x
  2. Step 2: Convert to fraction form
    215,789.40/323,683.56 = 58,017.84/x
  3. Step 3: Cross multiply
    215,789.40x = 323,683.56 × 58,017.84
  4. Step 4: Simplify right side
    215,789.40x = 18,779,420,994.71
  5. Step 5: Solve for x
    x = 18,779,420,994.71/215,789.40
  6. Step 6: Final answer
    x = 87,026.61

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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.