Home / 174,311.20-261,466.80-163,813.60

Finding the Fourth Proportional to 174,311.20, 261,466.80 and 163,813.60

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Solution

The fourth proportional to 174,311.20, 261,466.80 and 163,813.60 is: 245,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,311.20 : 261,466.80 = 163,813.60 : x
  2. Step 2: Convert to fraction form
    174,311.20/261,466.80 = 163,813.60/x
  3. Step 3: Cross multiply
    174,311.20x = 261,466.80 × 163,813.60
  4. Step 4: Simplify right side
    174,311.20x = 42,831,817,788.48
  5. Step 5: Solve for x
    x = 42,831,817,788.48/174,311.20
  6. Step 6: Final answer
    x = 245,720.40

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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.