Home / 286,165.23-394,907.70-158,840.52

Finding the Fourth Proportional to 286,165.23, 394,907.70 and 158,840.52

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Solution

The fourth proportional to 286,165.23, 394,907.70 and 158,840.52 is: 219,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,165.23 : 394,907.70 = 158,840.52 : x
  2. Step 2: Convert to fraction form
    286,165.23/394,907.70 = 158,840.52/x
  3. Step 3: Cross multiply
    286,165.23x = 394,907.70 × 158,840.52
  4. Step 4: Simplify right side
    286,165.23x = 62,727,344,420.00
  5. Step 5: Solve for x
    x = 62,727,344,420.00/286,165.23
  6. Step 6: Final answer
    x = 219,199.74

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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.