Home / 628,050.46-942,081.38-178,771.15

Finding the Fourth Proportional to 628,050.46, 942,081.38 and 178,771.15

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Solution

The fourth proportional to 628,050.46, 942,081.38 and 178,771.15 is: 268,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,050.46 : 942,081.38 = 178,771.15 : x
  2. Step 2: Convert to fraction form
    628,050.46/942,081.38 = 178,771.15/x
  3. Step 3: Cross multiply
    628,050.46x = 942,081.38 × 178,771.15
  4. Step 4: Simplify right side
    628,050.46x = 168,416,973,655.91
  5. Step 5: Solve for x
    x = 168,416,973,655.91/628,050.46
  6. Step 6: Final answer
    x = 268,158.35

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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.