Home / 104,406.19-144,080.64-56,659.55

Finding the Fourth Proportional to 104,406.19, 144,080.64 and 56,659.55

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Solution

The fourth proportional to 104,406.19, 144,080.64 and 56,659.55 is: 78,190.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,406.19 : 144,080.64 = 56,659.55 : x
  2. Step 2: Convert to fraction form
    104,406.19/144,080.64 = 56,659.55/x
  3. Step 3: Cross multiply
    104,406.19x = 144,080.64 × 56,659.55
  4. Step 4: Simplify right side
    104,406.19x = 8,163,543,505.71
  5. Step 5: Solve for x
    x = 8,163,543,505.71/104,406.19
  6. Step 6: Final answer
    x = 78,190.23

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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.