Home / 215,302.16-322,986.04-110,085.60

Finding the Fourth Proportional to 215,302.16, 322,986.04 and 110,085.60

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Solution

The fourth proportional to 215,302.16, 322,986.04 and 110,085.60 is: 165,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,302.16 : 322,986.04 = 110,085.60 : x
  2. Step 2: Convert to fraction form
    215,302.16/322,986.04 = 110,085.60/x
  3. Step 3: Cross multiply
    215,302.16x = 322,986.04 × 110,085.60
  4. Step 4: Simplify right side
    215,302.16x = 35,556,112,005.02
  5. Step 5: Solve for x
    x = 35,556,112,005.02/215,302.16
  6. Step 6: Final answer
    x = 165,145.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.