Home / 104,913.06-144,778.20-57,166.80

Finding the Fourth Proportional to 104,913.06, 144,778.20 and 57,166.80

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Solution

The fourth proportional to 104,913.06, 144,778.20 and 57,166.80 is: 78,889.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,913.06 : 144,778.20 = 57,166.80 : x
  2. Step 2: Convert to fraction form
    104,913.06/144,778.20 = 57,166.80/x
  3. Step 3: Cross multiply
    104,913.06x = 144,778.20 × 57,166.80
  4. Step 4: Simplify right side
    104,913.06x = 8,276,506,403.76
  5. Step 5: Solve for x
    x = 8,276,506,403.76/104,913.06
  6. Step 6: Final answer
    x = 78,889.19

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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.