Home / 118,775.02-178,146.06-30,023.14

Finding the Fourth Proportional to 118,775.02, 178,146.06 and 30,023.14

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Solution

The fourth proportional to 118,775.02, 178,146.06 and 30,023.14 is: 45,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,775.02 : 178,146.06 = 30,023.14 : x
  2. Step 2: Convert to fraction form
    118,775.02/178,146.06 = 30,023.14/x
  3. Step 3: Cross multiply
    118,775.02x = 178,146.06 × 30,023.14
  4. Step 4: Simplify right side
    118,775.02x = 5,348,504,099.83
  5. Step 5: Solve for x
    x = 5,348,504,099.83/118,775.02
  6. Step 6: Final answer
    x = 45,030.55

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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.