Home / 140,730.81-211,118.08-47,258.43

Finding the Fourth Proportional to 140,730.81, 211,118.08 and 47,258.43

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Solution

The fourth proportional to 140,730.81, 211,118.08 and 47,258.43 is: 70,894.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,730.81 : 211,118.08 = 47,258.43 : x
  2. Step 2: Convert to fraction form
    140,730.81/211,118.08 = 47,258.43/x
  3. Step 3: Cross multiply
    140,730.81x = 211,118.08 × 47,258.43
  4. Step 4: Simplify right side
    140,730.81x = 9,977,109,064.49
  5. Step 5: Solve for x
    x = 9,977,109,064.49/140,730.81
  6. Step 6: Final answer
    x = 70,894.99

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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.