Home / 134,881.35-186,136.26-74,452.01

Finding the Fourth Proportional to 134,881.35, 186,136.26 and 74,452.01

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Solution

The fourth proportional to 134,881.35, 186,136.26 and 74,452.01 is: 102,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,881.35 : 186,136.26 = 74,452.01 : x
  2. Step 2: Convert to fraction form
    134,881.35/186,136.26 = 74,452.01/x
  3. Step 3: Cross multiply
    134,881.35x = 186,136.26 × 74,452.01
  4. Step 4: Simplify right side
    134,881.35x = 13,858,217,760.20
  5. Step 5: Solve for x
    x = 13,858,217,760.20/134,881.35
  6. Step 6: Final answer
    x = 102,743.77

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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.