Home / 277,003.32-415,730.16-157,136.28

Finding the Fourth Proportional to 277,003.32, 415,730.16 and 157,136.28

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Solution

The fourth proportional to 277,003.32, 415,730.16 and 157,136.28 is: 235,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,003.32 : 415,730.16 = 157,136.28 : x
  2. Step 2: Convert to fraction form
    277,003.32/415,730.16 = 157,136.28/x
  3. Step 3: Cross multiply
    277,003.32x = 415,730.16 × 157,136.28
  4. Step 4: Simplify right side
    277,003.32x = 65,326,290,826.20
  5. Step 5: Solve for x
    x = 65,326,290,826.20/277,003.32
  6. Step 6: Final answer
    x = 235,832.16

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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.