Home / 140,730.43-211,117.52-47,258.05

Finding the Fourth Proportional to 140,730.43, 211,117.52 and 47,258.05

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Solution

The fourth proportional to 140,730.43, 211,117.52 and 47,258.05 is: 70,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,730.43 : 211,117.52 = 47,258.05 : x
  2. Step 2: Convert to fraction form
    140,730.43/211,117.52 = 47,258.05/x
  3. Step 3: Cross multiply
    140,730.43x = 211,117.52 × 47,258.05
  4. Step 4: Simplify right side
    140,730.43x = 9,977,003,093.20
  5. Step 5: Solve for x
    x = 9,977,003,093.20/140,730.43
  6. Step 6: Final answer
    x = 70,894.42

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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.