Home / 153,927.98-212,303.68-132,453.69

Finding the Fourth Proportional to 153,927.98, 212,303.68 and 132,453.69

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Solution

The fourth proportional to 153,927.98, 212,303.68 and 132,453.69 is: 182,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,927.98 : 212,303.68 = 132,453.69 : x
  2. Step 2: Convert to fraction form
    153,927.98/212,303.68 = 132,453.69/x
  3. Step 3: Cross multiply
    153,927.98x = 212,303.68 × 132,453.69
  4. Step 4: Simplify right side
    153,927.98x = 28,120,405,816.58
  5. Step 5: Solve for x
    x = 28,120,405,816.58/153,927.98
  6. Step 6: Final answer
    x = 182,685.47

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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.