Home / 104,518.32-144,236.34-56,772.60

Finding the Fourth Proportional to 104,518.32, 144,236.34 and 56,772.60

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Solution

The fourth proportional to 104,518.32, 144,236.34 and 56,772.60 is: 78,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,518.32 : 144,236.34 = 56,772.60 : x
  2. Step 2: Convert to fraction form
    104,518.32/144,236.34 = 56,772.60/x
  3. Step 3: Cross multiply
    104,518.32x = 144,236.34 × 56,772.60
  4. Step 4: Simplify right side
    104,518.32x = 8,188,672,036.28
  5. Step 5: Solve for x
    x = 8,188,672,036.28/104,518.32
  6. Step 6: Final answer
    x = 78,346.76

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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.