Home / 158,949.40-238,229.70-70,108.60

Finding the Fourth Proportional to 158,949.40, 238,229.70 and 70,108.60

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Solution

The fourth proportional to 158,949.40, 238,229.70 and 70,108.60 is: 105,077.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,949.40 : 238,229.70 = 70,108.60 : x
  2. Step 2: Convert to fraction form
    158,949.40/238,229.70 = 70,108.60/x
  3. Step 3: Cross multiply
    158,949.40x = 238,229.70 × 70,108.60
  4. Step 4: Simplify right side
    158,949.40x = 16,701,950,745.42
  5. Step 5: Solve for x
    x = 16,701,950,745.42/158,949.40
  6. Step 6: Final answer
    x = 105,077.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.