Home / 130,760.39-179,883.05-114,554.72

Finding the Fourth Proportional to 130,760.39, 179,883.05 and 114,554.72

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Solution

The fourth proportional to 130,760.39, 179,883.05 and 114,554.72 is: 157,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,760.39 : 179,883.05 = 114,554.72 : x
  2. Step 2: Convert to fraction form
    130,760.39/179,883.05 = 114,554.72/x
  3. Step 3: Cross multiply
    130,760.39x = 179,883.05 × 114,554.72
  4. Step 4: Simplify right side
    130,760.39x = 20,606,452,302.43
  5. Step 5: Solve for x
    x = 20,606,452,302.43/130,760.39
  6. Step 6: Final answer
    x = 157,589.40

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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.