Home / 212,503.07-318,703.58-62,702.89

Finding the Fourth Proportional to 212,503.07, 318,703.58 and 62,702.89

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Solution

The fourth proportional to 212,503.07, 318,703.58 and 62,702.89 is: 94,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,503.07 : 318,703.58 = 62,702.89 : x
  2. Step 2: Convert to fraction form
    212,503.07/318,703.58 = 62,702.89/x
  3. Step 3: Cross multiply
    212,503.07x = 318,703.58 × 62,702.89
  4. Step 4: Simplify right side
    212,503.07x = 19,983,634,644.21
  5. Step 5: Solve for x
    x = 19,983,634,644.21/212,503.07
  6. Step 6: Final answer
    x = 94,039.27

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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.