Home / 153,405.20-211,642.98-92,932.22

Finding the Fourth Proportional to 153,405.20, 211,642.98 and 92,932.22

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Solution

The fourth proportional to 153,405.20, 211,642.98 and 92,932.22 is: 128,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,405.20 : 211,642.98 = 92,932.22 : x
  2. Step 2: Convert to fraction form
    153,405.20/211,642.98 = 92,932.22/x
  3. Step 3: Cross multiply
    153,405.20x = 211,642.98 × 92,932.22
  4. Step 4: Simplify right side
    153,405.20x = 19,668,450,920.60
  5. Step 5: Solve for x
    x = 19,668,450,920.60/153,405.20
  6. Step 6: Final answer
    x = 128,212.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.