Home / 293,477.12-440,390.56-106,503.20

Finding the Fourth Proportional to 293,477.12, 440,390.56 and 106,503.20

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Solution

The fourth proportional to 293,477.12, 440,390.56 and 106,503.20 is: 159,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,477.12 : 440,390.56 = 106,503.20 : x
  2. Step 2: Convert to fraction form
    293,477.12/440,390.56 = 106,503.20/x
  3. Step 3: Cross multiply
    293,477.12x = 440,390.56 × 106,503.20
  4. Step 4: Simplify right side
    293,477.12x = 46,903,003,889.79
  5. Step 5: Solve for x
    x = 46,903,003,889.79/293,477.12
  6. Step 6: Final answer
    x = 159,818.26

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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.