Home / 389,228.10-537,043.16-236,262.53

Finding the Fourth Proportional to 389,228.10, 537,043.16 and 236,262.53

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Solution

The fourth proportional to 389,228.10, 537,043.16 and 236,262.53 is: 325,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,228.10 : 537,043.16 = 236,262.53 : x
  2. Step 2: Convert to fraction form
    389,228.10/537,043.16 = 236,262.53/x
  3. Step 3: Cross multiply
    389,228.10x = 537,043.16 × 236,262.53
  4. Step 4: Simplify right side
    389,228.10x = 126,883,171,834.27
  5. Step 5: Solve for x
    x = 126,883,171,834.27/389,228.10
  6. Step 6: Final answer
    x = 325,986.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.