Home / 190,655.64-285,985.50-57,537.09

Finding the Fourth Proportional to 190,655.64, 285,985.50 and 57,537.09

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Solution

The fourth proportional to 190,655.64, 285,985.50 and 57,537.09 is: 86,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,655.64 : 285,985.50 = 57,537.09 : x
  2. Step 2: Convert to fraction form
    190,655.64/285,985.50 = 57,537.09/x
  3. Step 3: Cross multiply
    190,655.64x = 285,985.50 × 57,537.09
  4. Step 4: Simplify right side
    190,655.64x = 16,454,773,452.20
  5. Step 5: Solve for x
    x = 16,454,773,452.20/190,655.64
  6. Step 6: Final answer
    x = 86,306.25

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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.