Home / 117,404.20-175,847.10-70,575.40

Finding the Fourth Proportional to 117,404.20, 175,847.10 and 70,575.40

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Solution

The fourth proportional to 117,404.20, 175,847.10 and 70,575.40 is: 105,707.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,404.20 : 175,847.10 = 70,575.40 : x
  2. Step 2: Convert to fraction form
    117,404.20/175,847.10 = 70,575.40/x
  3. Step 3: Cross multiply
    117,404.20x = 175,847.10 × 70,575.40
  4. Step 4: Simplify right side
    117,404.20x = 12,410,479,421.34
  5. Step 5: Solve for x
    x = 12,410,479,421.34/117,404.20
  6. Step 6: Final answer
    x = 105,707.29

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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.