Home / 140,730.49-211,117.60-47,258.11

Finding the Fourth Proportional to 140,730.49, 211,117.60 and 47,258.11

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Solution

The fourth proportional to 140,730.49, 211,117.60 and 47,258.11 is: 70,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,730.49 : 211,117.60 = 47,258.11 : x
  2. Step 2: Convert to fraction form
    140,730.49/211,117.60 = 47,258.11/x
  3. Step 3: Cross multiply
    140,730.49x = 211,117.60 × 47,258.11
  4. Step 4: Simplify right side
    140,730.49x = 9,977,018,763.74
  5. Step 5: Solve for x
    x = 9,977,018,763.74/140,730.49
  6. Step 6: Final answer
    x = 70,894.51

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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.