Home / 140,090.96-193,317.52-79,653.04

Finding the Fourth Proportional to 140,090.96, 193,317.52 and 79,653.04

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Solution

The fourth proportional to 140,090.96, 193,317.52 and 79,653.04 is: 109,916.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,090.96 : 193,317.52 = 79,653.04 : x
  2. Step 2: Convert to fraction form
    140,090.96/193,317.52 = 79,653.04/x
  3. Step 3: Cross multiply
    140,090.96x = 193,317.52 × 79,653.04
  4. Step 4: Simplify right side
    140,090.96x = 15,398,328,153.26
  5. Step 5: Solve for x
    x = 15,398,328,153.26/140,090.96
  6. Step 6: Final answer
    x = 109,916.64

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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.