Home / 111,015.45-165,467.85-104,710.06

Finding the Fourth Proportional to 111,015.45, 165,467.85 and 104,710.06

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Solution

The fourth proportional to 111,015.45, 165,467.85 and 104,710.06 is: 156,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,015.45 : 165,467.85 = 104,710.06 : x
  2. Step 2: Convert to fraction form
    111,015.45/165,467.85 = 104,710.06/x
  3. Step 3: Cross multiply
    111,015.45x = 165,467.85 × 104,710.06
  4. Step 4: Simplify right side
    111,015.45x = 17,326,148,315.74
  5. Step 5: Solve for x
    x = 17,326,148,315.74/111,015.45
  6. Step 6: Final answer
    x = 156,069.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.