Home / 185,185.79-255,577.14-104,618.51

Finding the Fourth Proportional to 185,185.79, 255,577.14 and 104,618.51

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Solution

The fourth proportional to 185,185.79, 255,577.14 and 104,618.51 is: 144,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,185.79 : 255,577.14 = 104,618.51 : x
  2. Step 2: Convert to fraction form
    185,185.79/255,577.14 = 104,618.51/x
  3. Step 3: Cross multiply
    185,185.79x = 255,577.14 × 104,618.51
  4. Step 4: Simplify right side
    185,185.79x = 26,738,099,576.86
  5. Step 5: Solve for x
    x = 26,738,099,576.86/185,185.79
  6. Step 6: Final answer
    x = 144,385.27

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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.