Home / 130,205.93-179,683.31-73,617.53

Finding the Fourth Proportional to 130,205.93, 179,683.31 and 73,617.53

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Solution

The fourth proportional to 130,205.93, 179,683.31 and 73,617.53 is: 101,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,205.93 : 179,683.31 = 73,617.53 : x
  2. Step 2: Convert to fraction form
    130,205.93/179,683.31 = 73,617.53/x
  3. Step 3: Cross multiply
    130,205.93x = 179,683.31 × 73,617.53
  4. Step 4: Simplify right side
    130,205.93x = 13,227,840,750.05
  5. Step 5: Solve for x
    x = 13,227,840,750.05/130,205.93
  6. Step 6: Final answer
    x = 101,591.70

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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.