Home / 423,182.24-634,821.53-153,437.41

Finding the Fourth Proportional to 423,182.24, 634,821.53 and 153,437.41

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Solution

The fourth proportional to 423,182.24, 634,821.53 and 153,437.41 is: 230,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,182.24 : 634,821.53 = 153,437.41 : x
  2. Step 2: Convert to fraction form
    423,182.24/634,821.53 = 153,437.41/x
  3. Step 3: Cross multiply
    423,182.24x = 634,821.53 × 153,437.41
  4. Step 4: Simplify right side
    423,182.24x = 97,405,374,481.84
  5. Step 5: Solve for x
    x = 97,405,374,481.84/423,182.24
  6. Step 6: Final answer
    x = 230,173.59

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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.