Home / 458,944.95-688,150.12-178,134.15

Finding the Fourth Proportional to 458,944.95, 688,150.12 and 178,134.15

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Solution

The fourth proportional to 458,944.95, 688,150.12 and 178,134.15 is: 267,097.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,944.95 : 688,150.12 = 178,134.15 : x
  2. Step 2: Convert to fraction form
    458,944.95/688,150.12 = 178,134.15/x
  3. Step 3: Cross multiply
    458,944.95x = 688,150.12 × 178,134.15
  4. Step 4: Simplify right side
    458,944.95x = 122,583,036,698.60
  5. Step 5: Solve for x
    x = 122,583,036,698.60/458,944.95
  6. Step 6: Final answer
    x = 267,097.47

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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.