Home / 119,316.42-178,961.16-30,570.60

Finding the Fourth Proportional to 119,316.42, 178,961.16 and 30,570.60

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Solution

The fourth proportional to 119,316.42, 178,961.16 and 30,570.60 is: 45,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,316.42 : 178,961.16 = 30,570.60 : x
  2. Step 2: Convert to fraction form
    119,316.42/178,961.16 = 30,570.60/x
  3. Step 3: Cross multiply
    119,316.42x = 178,961.16 × 30,570.60
  4. Step 4: Simplify right side
    119,316.42x = 5,470,950,037.90
  5. Step 5: Solve for x
    x = 5,470,950,037.90/119,316.42
  6. Step 6: Final answer
    x = 45,852.45

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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.