Home / 175,564.20-263,346.30-105,407.40

Finding the Fourth Proportional to 175,564.20, 263,346.30 and 105,407.40

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Solution

The fourth proportional to 175,564.20, 263,346.30 and 105,407.40 is: 158,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,564.20 : 263,346.30 = 105,407.40 : x
  2. Step 2: Convert to fraction form
    175,564.20/263,346.30 = 105,407.40/x
  3. Step 3: Cross multiply
    175,564.20x = 263,346.30 × 105,407.40
  4. Step 4: Simplify right side
    175,564.20x = 27,758,648,782.62
  5. Step 5: Solve for x
    x = 27,758,648,782.62/175,564.20
  6. Step 6: Final answer
    x = 158,111.10

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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.