Home / 205,000.55-282,907.78-118,953.03

Finding the Fourth Proportional to 205,000.55, 282,907.78 and 118,953.03

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Solution

The fourth proportional to 205,000.55, 282,907.78 and 118,953.03 is: 164,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,000.55 : 282,907.78 = 118,953.03 : x
  2. Step 2: Convert to fraction form
    205,000.55/282,907.78 = 118,953.03/x
  3. Step 3: Cross multiply
    205,000.55x = 282,907.78 × 118,953.03
  4. Step 4: Simplify right side
    205,000.55x = 33,652,737,344.19
  5. Step 5: Solve for x
    x = 33,652,737,344.19/205,000.55
  6. Step 6: Final answer
    x = 164,159.26

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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.