Home / 190,729.95-286,146.54-57,614.55

Finding the Fourth Proportional to 190,729.95, 286,146.54 and 57,614.55

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Solution

The fourth proportional to 190,729.95, 286,146.54 and 57,614.55 is: 86,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,729.95 : 286,146.54 = 57,614.55 : x
  2. Step 2: Convert to fraction form
    190,729.95/286,146.54 = 57,614.55/x
  3. Step 3: Cross multiply
    190,729.95x = 286,146.54 × 57,614.55
  4. Step 4: Simplify right side
    190,729.95x = 16,486,204,136.16
  5. Step 5: Solve for x
    x = 16,486,204,136.16/190,729.95
  6. Step 6: Final answer
    x = 86,437.42

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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.