Home / 114,848.40-172,272.60-35,986.80

Finding the Fourth Proportional to 114,848.40, 172,272.60 and 35,986.80

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Solution

The fourth proportional to 114,848.40, 172,272.60 and 35,986.80 is: 53,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,848.40 : 172,272.60 = 35,986.80 : x
  2. Step 2: Convert to fraction form
    114,848.40/172,272.60 = 35,986.80/x
  3. Step 3: Cross multiply
    114,848.40x = 172,272.60 × 35,986.80
  4. Step 4: Simplify right side
    114,848.40x = 6,199,539,601.68
  5. Step 5: Solve for x
    x = 6,199,539,601.68/114,848.40
  6. Step 6: Final answer
    x = 53,980.20

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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.