Home / 163,944.90-245,917.35-53,136.90

Finding the Fourth Proportional to 163,944.90, 245,917.35 and 53,136.90

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Solution

The fourth proportional to 163,944.90, 245,917.35 and 53,136.90 is: 79,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,944.90 : 245,917.35 = 53,136.90 : x
  2. Step 2: Convert to fraction form
    163,944.90/245,917.35 = 53,136.90/x
  3. Step 3: Cross multiply
    163,944.90x = 245,917.35 × 53,136.90
  4. Step 4: Simplify right side
    163,944.90x = 13,067,285,635.22
  5. Step 5: Solve for x
    x = 13,067,285,635.22/163,944.90
  6. Step 6: Final answer
    x = 79,705.35

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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.