Home / 212,237.80-318,322.02-62,443.06

Finding the Fourth Proportional to 212,237.80, 318,322.02 and 62,443.06

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Solution

The fourth proportional to 212,237.80, 318,322.02 and 62,443.06 is: 93,654.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,237.80 : 318,322.02 = 62,443.06 : x
  2. Step 2: Convert to fraction form
    212,237.80/318,322.02 = 62,443.06/x
  3. Step 3: Cross multiply
    212,237.80x = 318,322.02 × 62,443.06
  4. Step 4: Simplify right side
    212,237.80x = 19,877,000,994.18
  5. Step 5: Solve for x
    x = 19,877,000,994.18/212,237.80
  6. Step 6: Final answer
    x = 93,654.39

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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.