Home / 190,691.72-286,083.81-57,564.02

Finding the Fourth Proportional to 190,691.72, 286,083.81 and 57,564.02

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Solution

The fourth proportional to 190,691.72, 286,083.81 and 57,564.02 is: 86,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,691.72 : 286,083.81 = 57,564.02 : x
  2. Step 2: Convert to fraction form
    190,691.72/286,083.81 = 57,564.02/x
  3. Step 3: Cross multiply
    190,691.72x = 286,083.81 × 57,564.02
  4. Step 4: Simplify right side
    190,691.72x = 16,468,132,730.10
  5. Step 5: Solve for x
    x = 16,468,132,730.10/190,691.72
  6. Step 6: Final answer
    x = 86,359.98

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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.