Home / 190,511.18-285,777.57-57,409.82

Finding the Fourth Proportional to 190,511.18, 285,777.57 and 57,409.82

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Solution

The fourth proportional to 190,511.18, 285,777.57 and 57,409.82 is: 86,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,511.18 : 285,777.57 = 57,409.82 : x
  2. Step 2: Convert to fraction form
    190,511.18/285,777.57 = 57,409.82/x
  3. Step 3: Cross multiply
    190,511.18x = 285,777.57 × 57,409.82
  4. Step 4: Simplify right side
    190,511.18x = 16,406,438,853.74
  5. Step 5: Solve for x
    x = 16,406,438,853.74/190,511.18
  6. Step 6: Final answer
    x = 86,117.98

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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.