Home / 117,015.40-175,541.31-38,111.26

Finding the Fourth Proportional to 117,015.40, 175,541.31 and 38,111.26

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Solution

The fourth proportional to 117,015.40, 175,541.31 and 38,111.26 is: 57,172.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,015.40 : 175,541.31 = 38,111.26 : x
  2. Step 2: Convert to fraction form
    117,015.40/175,541.31 = 38,111.26/x
  3. Step 3: Cross multiply
    117,015.40x = 175,541.31 × 38,111.26
  4. Step 4: Simplify right side
    117,015.40x = 6,690,100,506.15
  5. Step 5: Solve for x
    x = 6,690,100,506.15/117,015.40
  6. Step 6: Final answer
    x = 57,172.82

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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.