Home / 113,540.09-170,314.83-42,455.52

Finding the Fourth Proportional to 113,540.09, 170,314.83 and 42,455.52

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Solution

The fourth proportional to 113,540.09, 170,314.83 and 42,455.52 is: 63,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,540.09 : 170,314.83 = 42,455.52 : x
  2. Step 2: Convert to fraction form
    113,540.09/170,314.83 = 42,455.52/x
  3. Step 3: Cross multiply
    113,540.09x = 170,314.83 × 42,455.52
  4. Step 4: Simplify right side
    113,540.09x = 7,230,804,671.36
  5. Step 5: Solve for x
    x = 7,230,804,671.36/113,540.09
  6. Step 6: Final answer
    x = 63,685.04

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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.