Home / 104,506.36-144,120.54-80,595.16

Finding the Fourth Proportional to 104,506.36, 144,120.54 and 80,595.16

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Solution

The fourth proportional to 104,506.36, 144,120.54 and 80,595.16 is: 111,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,506.36 : 144,120.54 = 80,595.16 : x
  2. Step 2: Convert to fraction form
    104,506.36/144,120.54 = 80,595.16/x
  3. Step 3: Cross multiply
    104,506.36x = 144,120.54 × 80,595.16
  4. Step 4: Simplify right side
    104,506.36x = 11,615,417,980.59
  5. Step 5: Solve for x
    x = 11,615,417,980.59/104,506.36
  6. Step 6: Final answer
    x = 111,145.56

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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.