Home / 251,528.43-377,212.59-83,017.38

Finding the Fourth Proportional to 251,528.43, 377,212.59 and 83,017.38

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Solution

The fourth proportional to 251,528.43, 377,212.59 and 83,017.38 is: 124,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,528.43 : 377,212.59 = 83,017.38 : x
  2. Step 2: Convert to fraction form
    251,528.43/377,212.59 = 83,017.38/x
  3. Step 3: Cross multiply
    251,528.43x = 377,212.59 × 83,017.38
  4. Step 4: Simplify right side
    251,528.43x = 31,315,200,924.81
  5. Step 5: Solve for x
    x = 31,315,200,924.81/251,528.43
  6. Step 6: Final answer
    x = 124,499.65

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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.