Home / 134,454.29-185,540.13-74,030.18

Finding the Fourth Proportional to 134,454.29, 185,540.13 and 74,030.18

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Solution

The fourth proportional to 134,454.29, 185,540.13 and 74,030.18 is: 102,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,454.29 : 185,540.13 = 74,030.18 : x
  2. Step 2: Convert to fraction form
    134,454.29/185,540.13 = 74,030.18/x
  3. Step 3: Cross multiply
    134,454.29x = 185,540.13 × 74,030.18
  4. Step 4: Simplify right side
    134,454.29x = 13,735,568,293.42
  5. Step 5: Solve for x
    x = 13,735,568,293.42/134,454.29
  6. Step 6: Final answer
    x = 102,157.91

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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.