Home / 212,092.95-292,590.74-187,918.40

Finding the Fourth Proportional to 212,092.95, 292,590.74 and 187,918.40

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Solution

The fourth proportional to 212,092.95, 292,590.74 and 187,918.40 is: 259,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,092.95 : 292,590.74 = 187,918.40 : x
  2. Step 2: Convert to fraction form
    212,092.95/292,590.74 = 187,918.40/x
  3. Step 3: Cross multiply
    212,092.95x = 292,590.74 × 187,918.40
  4. Step 4: Simplify right side
    212,092.95x = 54,983,183,715.62
  5. Step 5: Solve for x
    x = 54,983,183,715.62/212,092.95
  6. Step 6: Final answer
    x = 259,240.98

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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.