Home / 185,285.16-255,659.82-103,614.92

Finding the Fourth Proportional to 185,285.16, 255,659.82 and 103,614.92

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Solution

The fourth proportional to 185,285.16, 255,659.82 and 103,614.92 is: 142,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,285.16 : 255,659.82 = 103,614.92 : x
  2. Step 2: Convert to fraction form
    185,285.16/255,659.82 = 103,614.92/x
  3. Step 3: Cross multiply
    185,285.16x = 255,659.82 × 103,614.92
  4. Step 4: Simplify right side
    185,285.16x = 26,490,171,796.51
  5. Step 5: Solve for x
    x = 26,490,171,796.51/185,285.16
  6. Step 6: Final answer
    x = 142,969.74

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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.