Home / 119,057.55-178,587.33-30,311.07

Finding the Fourth Proportional to 119,057.55, 178,587.33 and 30,311.07

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Solution

The fourth proportional to 119,057.55, 178,587.33 and 30,311.07 is: 45,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,057.55 : 178,587.33 = 30,311.07 : x
  2. Step 2: Convert to fraction form
    119,057.55/178,587.33 = 30,311.07/x
  3. Step 3: Cross multiply
    119,057.55x = 178,587.33 × 30,311.07
  4. Step 4: Simplify right side
    119,057.55x = 5,413,173,060.74
  5. Step 5: Solve for x
    x = 5,413,173,060.74/119,057.55
  6. Step 6: Final answer
    x = 45,466.86

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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.