Home / 153,051.12-229,563.72-53,194.32

Finding the Fourth Proportional to 153,051.12, 229,563.72 and 53,194.32

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Solution

The fourth proportional to 153,051.12, 229,563.72 and 53,194.32 is: 79,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,051.12 : 229,563.72 = 53,194.32 : x
  2. Step 2: Convert to fraction form
    153,051.12/229,563.72 = 53,194.32/x
  3. Step 3: Cross multiply
    153,051.12x = 229,563.72 × 53,194.32
  4. Step 4: Simplify right side
    153,051.12x = 12,211,485,982.07
  5. Step 5: Solve for x
    x = 12,211,485,982.07/153,051.12
  6. Step 6: Final answer
    x = 79,786.98

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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.