Home / 106,848.60-160,143.30-47,621.40

Finding the Fourth Proportional to 106,848.60, 160,143.30 and 47,621.40

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Solution

The fourth proportional to 106,848.60, 160,143.30 and 47,621.40 is: 71,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,848.60 : 160,143.30 = 47,621.40 : x
  2. Step 2: Convert to fraction form
    106,848.60/160,143.30 = 47,621.40/x
  3. Step 3: Cross multiply
    106,848.60x = 160,143.30 × 47,621.40
  4. Step 4: Simplify right side
    106,848.60x = 7,626,248,146.62
  5. Step 5: Solve for x
    x = 7,626,248,146.62/106,848.60
  6. Step 6: Final answer
    x = 71,374.34

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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.