Home / 286,679.05-395,582.71-157,596.24

Finding the Fourth Proportional to 286,679.05, 395,582.71 and 157,596.24

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Solution

The fourth proportional to 286,679.05, 395,582.71 and 157,596.24 is: 217,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,679.05 : 395,582.71 = 157,596.24 : x
  2. Step 2: Convert to fraction form
    286,679.05/395,582.71 = 157,596.24/x
  3. Step 3: Cross multiply
    286,679.05x = 395,582.71 × 157,596.24
  4. Step 4: Simplify right side
    286,679.05x = 62,342,347,705.01
  5. Step 5: Solve for x
    x = 62,342,347,705.01/286,679.05
  6. Step 6: Final answer
    x = 217,463.91

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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.