Home / 183,725.80-275,588.70-78,555.40

Finding the Fourth Proportional to 183,725.80, 275,588.70 and 78,555.40

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Solution

The fourth proportional to 183,725.80, 275,588.70 and 78,555.40 is: 117,833.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,725.80 : 275,588.70 = 78,555.40 : x
  2. Step 2: Convert to fraction form
    183,725.80/275,588.70 = 78,555.40/x
  3. Step 3: Cross multiply
    183,725.80x = 275,588.70 × 78,555.40
  4. Step 4: Simplify right side
    183,725.80x = 21,648,980,563.98
  5. Step 5: Solve for x
    x = 21,648,980,563.98/183,725.80
  6. Step 6: Final answer
    x = 117,833.10

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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.