Home / 185,612.82-256,145.52-105,038.88

Finding the Fourth Proportional to 185,612.82, 256,145.52 and 105,038.88

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Solution

The fourth proportional to 185,612.82, 256,145.52 and 105,038.88 is: 144,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,612.82 : 256,145.52 = 105,038.88 : x
  2. Step 2: Convert to fraction form
    185,612.82/256,145.52 = 105,038.88/x
  3. Step 3: Cross multiply
    185,612.82x = 256,145.52 × 105,038.88
  4. Step 4: Simplify right side
    185,612.82x = 26,905,237,257.09
  5. Step 5: Solve for x
    x = 26,905,237,257.09/185,612.82
  6. Step 6: Final answer
    x = 144,953.55

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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.