Home / 184,763.20-277,144.80-66,438.40

Finding the Fourth Proportional to 184,763.20, 277,144.80 and 66,438.40

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Solution

The fourth proportional to 184,763.20, 277,144.80 and 66,438.40 is: 99,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,763.20 : 277,144.80 = 66,438.40 : x
  2. Step 2: Convert to fraction form
    184,763.20/277,144.80 = 66,438.40/x
  3. Step 3: Cross multiply
    184,763.20x = 277,144.80 × 66,438.40
  4. Step 4: Simplify right side
    184,763.20x = 18,413,057,080.32
  5. Step 5: Solve for x
    x = 18,413,057,080.32/184,763.20
  6. Step 6: Final answer
    x = 99,657.60

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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.