Home / 122,205.80-183,308.70-111,708.20

Finding the Fourth Proportional to 122,205.80, 183,308.70 and 111,708.20

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Solution

The fourth proportional to 122,205.80, 183,308.70 and 111,708.20 is: 167,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,205.80 : 183,308.70 = 111,708.20 : x
  2. Step 2: Convert to fraction form
    122,205.80/183,308.70 = 111,708.20/x
  3. Step 3: Cross multiply
    122,205.80x = 183,308.70 × 111,708.20
  4. Step 4: Simplify right side
    122,205.80x = 20,477,084,921.34
  5. Step 5: Solve for x
    x = 20,477,084,921.34/122,205.80
  6. Step 6: Final answer
    x = 167,562.30

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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.