Home / 289,979.63-400,171.07-160,937.58

Finding the Fourth Proportional to 289,979.63, 400,171.07 and 160,937.58

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Solution

The fourth proportional to 289,979.63, 400,171.07 and 160,937.58 is: 222,093.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,979.63 : 400,171.07 = 160,937.58 : x
  2. Step 2: Convert to fraction form
    289,979.63/400,171.07 = 160,937.58/x
  3. Step 3: Cross multiply
    289,979.63x = 400,171.07 × 160,937.58
  4. Step 4: Simplify right side
    289,979.63x = 64,402,562,787.12
  5. Step 5: Solve for x
    x = 64,402,562,787.12/289,979.63
  6. Step 6: Final answer
    x = 222,093.41

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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.