Home / 104,182.60-143,772.34-56,435.80

Finding the Fourth Proportional to 104,182.60, 143,772.34 and 56,435.80

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Solution

The fourth proportional to 104,182.60, 143,772.34 and 56,435.80 is: 77,881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,182.60 : 143,772.34 = 56,435.80 : x
  2. Step 2: Convert to fraction form
    104,182.60/143,772.34 = 56,435.80/x
  3. Step 3: Cross multiply
    104,182.60x = 143,772.34 × 56,435.80
  4. Step 4: Simplify right side
    104,182.60x = 8,113,907,025.77
  5. Step 5: Solve for x
    x = 8,113,907,025.77/104,182.60
  6. Step 6: Final answer
    x = 77,881.59

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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.