Home / 293,735.10-440,612.23-139,827.70

Finding the Fourth Proportional to 293,735.10, 440,612.23 and 139,827.70

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Solution

The fourth proportional to 293,735.10, 440,612.23 and 139,827.70 is: 209,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,735.10 : 440,612.23 = 139,827.70 : x
  2. Step 2: Convert to fraction form
    293,735.10/440,612.23 = 139,827.70/x
  3. Step 3: Cross multiply
    293,735.10x = 440,612.23 × 139,827.70
  4. Step 4: Simplify right side
    293,735.10x = 61,609,794,712.77
  5. Step 5: Solve for x
    x = 61,609,794,712.77/293,735.10
  6. Step 6: Final answer
    x = 209,746.11

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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.