Home / 282,526.38-389,890.60-153,467.37

Finding the Fourth Proportional to 282,526.38, 389,890.60 and 153,467.37

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Solution

The fourth proportional to 282,526.38, 389,890.60 and 153,467.37 is: 211,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,526.38 : 389,890.60 = 153,467.37 : x
  2. Step 2: Convert to fraction form
    282,526.38/389,890.60 = 153,467.37/x
  3. Step 3: Cross multiply
    282,526.38x = 389,890.60 × 153,467.37
  4. Step 4: Simplify right side
    282,526.38x = 59,835,486,911.40
  5. Step 5: Solve for x
    x = 59,835,486,911.40/282,526.38
  6. Step 6: Final answer
    x = 211,787.25

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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.