Home / 153,039.20-229,558.80-111,567.20

Finding the Fourth Proportional to 153,039.20, 229,558.80 and 111,567.20

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Solution

The fourth proportional to 153,039.20, 229,558.80 and 111,567.20 is: 167,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,039.20 : 229,558.80 = 111,567.20 : x
  2. Step 2: Convert to fraction form
    153,039.20/229,558.80 = 111,567.20/x
  3. Step 3: Cross multiply
    153,039.20x = 229,558.80 × 111,567.20
  4. Step 4: Simplify right side
    153,039.20x = 25,611,232,551.36
  5. Step 5: Solve for x
    x = 25,611,232,551.36/153,039.20
  6. Step 6: Final answer
    x = 167,350.80

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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.