Home / 104,778.36-144,763.56-73,088.82

Finding the Fourth Proportional to 104,778.36, 144,763.56 and 73,088.82

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Solution

The fourth proportional to 104,778.36, 144,763.56 and 73,088.82 is: 100,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,778.36 : 144,763.56 = 73,088.82 : x
  2. Step 2: Convert to fraction form
    104,778.36/144,763.56 = 73,088.82/x
  3. Step 3: Cross multiply
    104,778.36x = 144,763.56 × 73,088.82
  4. Step 4: Simplify right side
    104,778.36x = 10,580,597,779.40
  5. Step 5: Solve for x
    x = 10,580,597,779.40/104,778.36
  6. Step 6: Final answer
    x = 100,980.75

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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.