Home / 185,557.20-256,051.71-104,990.82

Finding the Fourth Proportional to 185,557.20, 256,051.71 and 104,990.82

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Solution

The fourth proportional to 185,557.20, 256,051.71 and 104,990.82 is: 144,877.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,557.20 : 256,051.71 = 104,990.82 : x
  2. Step 2: Convert to fraction form
    185,557.20/256,051.71 = 104,990.82/x
  3. Step 3: Cross multiply
    185,557.20x = 256,051.71 × 104,990.82
  4. Step 4: Simplify right side
    185,557.20x = 26,883,078,995.30
  5. Step 5: Solve for x
    x = 26,883,078,995.30/185,557.20
  6. Step 6: Final answer
    x = 144,877.58

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1.5x scale

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.