Home / 190,427.92-285,681.84-57,317.92

Finding the Fourth Proportional to 190,427.92, 285,681.84 and 57,317.92

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Solution

The fourth proportional to 190,427.92, 285,681.84 and 57,317.92 is: 85,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,427.92 : 285,681.84 = 57,317.92 : x
  2. Step 2: Convert to fraction form
    190,427.92/285,681.84 = 57,317.92/x
  3. Step 3: Cross multiply
    190,427.92x = 285,681.84 × 57,317.92
  4. Step 4: Simplify right side
    190,427.92x = 16,374,688,850.57
  5. Step 5: Solve for x
    x = 16,374,688,850.57/190,427.92
  6. Step 6: Final answer
    x = 85,988.91

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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.