Home / 190,676.16-286,016.13-57,557.12

Finding the Fourth Proportional to 190,676.16, 286,016.13 and 57,557.12

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Solution

The fourth proportional to 190,676.16, 286,016.13 and 57,557.12 is: 86,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,676.16 : 286,016.13 = 57,557.12 : x
  2. Step 2: Convert to fraction form
    190,676.16/286,016.13 = 57,557.12/x
  3. Step 3: Cross multiply
    190,676.16x = 286,016.13 × 57,557.12
  4. Step 4: Simplify right side
    190,676.16x = 16,462,263,286.27
  5. Step 5: Solve for x
    x = 16,462,263,286.27/190,676.16
  6. Step 6: Final answer
    x = 86,336.24

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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.