Home / 104,090.51-156,143.64-40,880.13

Finding the Fourth Proportional to 104,090.51, 156,143.64 and 40,880.13

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Solution

The fourth proportional to 104,090.51, 156,143.64 and 40,880.13 is: 61,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,090.51 : 156,143.64 = 40,880.13 : x
  2. Step 2: Convert to fraction form
    104,090.51/156,143.64 = 40,880.13/x
  3. Step 3: Cross multiply
    104,090.51x = 156,143.64 × 40,880.13
  4. Step 4: Simplify right side
    104,090.51x = 6,383,172,301.87
  5. Step 5: Solve for x
    x = 6,383,172,301.87/104,090.51
  6. Step 6: Final answer
    x = 61,323.29

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1.5x scale

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.