Home / 177,681.42-245,216.15-101,183.80

Finding the Fourth Proportional to 177,681.42, 245,216.15 and 101,183.80

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Solution

The fourth proportional to 177,681.42, 245,216.15 and 101,183.80 is: 139,642.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,681.42 : 245,216.15 = 101,183.80 : x
  2. Step 2: Convert to fraction form
    177,681.42/245,216.15 = 101,183.80/x
  3. Step 3: Cross multiply
    177,681.42x = 245,216.15 × 101,183.80
  4. Step 4: Simplify right side
    177,681.42x = 24,811,901,878.37
  5. Step 5: Solve for x
    x = 24,811,901,878.37/177,681.42
  6. Step 6: Final answer
    x = 139,642.64

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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.