Home / 104,478.44-144,176.52-56,730.80

Finding the Fourth Proportional to 104,478.44, 144,176.52 and 56,730.80

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Solution

The fourth proportional to 104,478.44, 144,176.52 and 56,730.80 is: 78,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,478.44 : 144,176.52 = 56,730.80 : x
  2. Step 2: Convert to fraction form
    104,478.44/144,176.52 = 56,730.80/x
  3. Step 3: Cross multiply
    104,478.44x = 144,176.52 × 56,730.80
  4. Step 4: Simplify right side
    104,478.44x = 8,179,249,320.82
  5. Step 5: Solve for x
    x = 8,179,249,320.82/104,478.44
  6. Step 6: Final answer
    x = 78,286.48

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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.