Home / 156,809.25-235,243.04-73,703.25

Finding the Fourth Proportional to 156,809.25, 235,243.04 and 73,703.25

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Solution

The fourth proportional to 156,809.25, 235,243.04 and 73,703.25 is: 110,568.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,809.25 : 235,243.04 = 73,703.25 : x
  2. Step 2: Convert to fraction form
    156,809.25/235,243.04 = 73,703.25/x
  3. Step 3: Cross multiply
    156,809.25x = 235,243.04 × 73,703.25
  4. Step 4: Simplify right side
    156,809.25x = 17,338,176,219.36
  5. Step 5: Solve for x
    x = 17,338,176,219.36/156,809.25
  6. Step 6: Final answer
    x = 110,568.58

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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.