Home / 203,533.42-280,551.58-160,442.64

Finding the Fourth Proportional to 203,533.42, 280,551.58 and 160,442.64

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Solution

The fourth proportional to 203,533.42, 280,551.58 and 160,442.64 is: 221,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,533.42 : 280,551.58 = 160,442.64 : x
  2. Step 2: Convert to fraction form
    203,533.42/280,551.58 = 160,442.64/x
  3. Step 3: Cross multiply
    203,533.42x = 280,551.58 × 160,442.64
  4. Step 4: Simplify right side
    203,533.42x = 45,012,436,151.37
  5. Step 5: Solve for x
    x = 45,012,436,151.37/203,533.42
  6. Step 6: Final answer
    x = 221,155.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.