Home / 152,118.56-228,129.32-52,254.68

Finding the Fourth Proportional to 152,118.56, 228,129.32 and 52,254.68

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Solution

The fourth proportional to 152,118.56, 228,129.32 and 52,254.68 is: 78,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,118.56 : 228,129.32 = 52,254.68 : x
  2. Step 2: Convert to fraction form
    152,118.56/228,129.32 = 52,254.68/x
  3. Step 3: Cross multiply
    152,118.56x = 228,129.32 × 52,254.68
  4. Step 4: Simplify right side
    152,118.56x = 11,920,823,311.28
  5. Step 5: Solve for x
    x = 11,920,823,311.28/152,118.56
  6. Step 6: Final answer
    x = 78,365.34

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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.