Home / 147,551.15-221,381.40-47,714.60

Finding the Fourth Proportional to 147,551.15, 221,381.40 and 47,714.60

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Solution

The fourth proportional to 147,551.15, 221,381.40 and 47,714.60 is: 71,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,551.15 : 221,381.40 = 47,714.60 : x
  2. Step 2: Convert to fraction form
    147,551.15/221,381.40 = 47,714.60/x
  3. Step 3: Cross multiply
    147,551.15x = 221,381.40 × 47,714.60
  4. Step 4: Simplify right side
    147,551.15x = 10,563,124,948.44
  5. Step 5: Solve for x
    x = 10,563,124,948.44/147,551.15
  6. Step 6: Final answer
    x = 71,589.58

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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.