Home / 115,419.19-173,111.43-36,523.15

Finding the Fourth Proportional to 115,419.19, 173,111.43 and 36,523.15

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Solution

The fourth proportional to 115,419.19, 173,111.43 and 36,523.15 is: 54,779.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,419.19 : 173,111.43 = 36,523.15 : x
  2. Step 2: Convert to fraction form
    115,419.19/173,111.43 = 36,523.15/x
  3. Step 3: Cross multiply
    115,419.19x = 173,111.43 × 36,523.15
  4. Step 4: Simplify right side
    115,419.19x = 6,322,574,724.60
  5. Step 5: Solve for x
    x = 6,322,574,724.60/115,419.19
  6. Step 6: Final answer
    x = 54,779.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.