Home / 175,420.20-263,447.10-153,647.40

Finding the Fourth Proportional to 175,420.20, 263,447.10 and 153,647.40

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Solution

The fourth proportional to 175,420.20, 263,447.10 and 153,647.40 is: 230,748.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,420.20 : 263,447.10 = 153,647.40 : x
  2. Step 2: Convert to fraction form
    175,420.20/263,447.10 = 153,647.40/x
  3. Step 3: Cross multiply
    175,420.20x = 263,447.10 × 153,647.40
  4. Step 4: Simplify right side
    175,420.20x = 40,477,961,952.54
  5. Step 5: Solve for x
    x = 40,477,961,952.54/175,420.20
  6. Step 6: Final answer
    x = 230,748.58

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1.5x scale

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.