Home / 286,318.48-395,117.34-158,994.52

Finding the Fourth Proportional to 286,318.48, 395,117.34 and 158,994.52

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Solution

The fourth proportional to 286,318.48, 395,117.34 and 158,994.52 is: 219,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,318.48 : 395,117.34 = 158,994.52 : x
  2. Step 2: Convert to fraction form
    286,318.48/395,117.34 = 158,994.52/x
  3. Step 3: Cross multiply
    286,318.48x = 395,117.34 × 158,994.52
  4. Step 4: Simplify right side
    286,318.48x = 62,821,491,816.98
  5. Step 5: Solve for x
    x = 62,821,491,816.98/286,318.48
  6. Step 6: Final answer
    x = 219,411.24

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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.