Home / 152,973.12-229,321.44-54,454.08

Finding the Fourth Proportional to 152,973.12, 229,321.44 and 54,454.08

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Solution

The fourth proportional to 152,973.12, 229,321.44 and 54,454.08 is: 81,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,973.12 : 229,321.44 = 54,454.08 : x
  2. Step 2: Convert to fraction form
    152,973.12/229,321.44 = 54,454.08/x
  3. Step 3: Cross multiply
    152,973.12x = 229,321.44 × 54,454.08
  4. Step 4: Simplify right side
    152,973.12x = 12,487,488,039.48
  5. Step 5: Solve for x
    x = 12,487,488,039.48/152,973.12
  6. Step 6: Final answer
    x = 81,631.91

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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.