Home / 352,982.40-487,113.60-191,838.72

Finding the Fourth Proportional to 352,982.40, 487,113.60 and 191,838.72

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Solution

The fourth proportional to 352,982.40, 487,113.60 and 191,838.72 is: 264,736.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,982.40 : 487,113.60 = 191,838.72 : x
  2. Step 2: Convert to fraction form
    352,982.40/487,113.60 = 191,838.72/x
  3. Step 3: Cross multiply
    352,982.40x = 487,113.60 × 191,838.72
  4. Step 4: Simplify right side
    352,982.40x = 93,447,249,518.59
  5. Step 5: Solve for x
    x = 93,447,249,518.59/352,982.40
  6. Step 6: Final answer
    x = 264,736.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.