Home / 104,497.20-144,205.56-56,750.40

Finding the Fourth Proportional to 104,497.20, 144,205.56 and 56,750.40

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Solution

The fourth proportional to 104,497.20, 144,205.56 and 56,750.40 is: 78,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,497.20 : 144,205.56 = 56,750.40 : x
  2. Step 2: Convert to fraction form
    104,497.20/144,205.56 = 56,750.40/x
  3. Step 3: Cross multiply
    104,497.20x = 144,205.56 × 56,750.40
  4. Step 4: Simplify right side
    104,497.20x = 8,183,723,212.22
  5. Step 5: Solve for x
    x = 8,183,723,212.22/104,497.20
  6. Step 6: Final answer
    x = 78,315.24

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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.