Home / 134,609.43-185,762.25-74,182.23

Finding the Fourth Proportional to 134,609.43, 185,762.25 and 74,182.23

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Solution

The fourth proportional to 134,609.43, 185,762.25 and 74,182.23 is: 102,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,609.43 : 185,762.25 = 74,182.23 : x
  2. Step 2: Convert to fraction form
    134,609.43/185,762.25 = 74,182.23/x
  3. Step 3: Cross multiply
    134,609.43x = 185,762.25 × 74,182.23
  4. Step 4: Simplify right side
    134,609.43x = 13,780,257,954.82
  5. Step 5: Solve for x
    x = 13,780,257,954.82/134,609.43
  6. Step 6: Final answer
    x = 102,372.16

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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.