Home / 178,015.36-245,655.08-101,559.21

Finding the Fourth Proportional to 178,015.36, 245,655.08 and 101,559.21

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Solution

The fourth proportional to 178,015.36, 245,655.08 and 101,559.21 is: 140,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,015.36 : 245,655.08 = 101,559.21 : x
  2. Step 2: Convert to fraction form
    178,015.36/245,655.08 = 101,559.21/x
  3. Step 3: Cross multiply
    178,015.36x = 245,655.08 × 101,559.21
  4. Step 4: Simplify right side
    178,015.36x = 24,948,535,497.05
  5. Step 5: Solve for x
    x = 24,948,535,497.05/178,015.36
  6. Step 6: Final answer
    x = 140,148.22

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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.