Home / 185,619.43-256,158.65-105,046.93

Finding the Fourth Proportional to 185,619.43, 256,158.65 and 105,046.93

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Solution

The fourth proportional to 185,619.43, 256,158.65 and 105,046.93 is: 144,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,619.43 : 256,158.65 = 105,046.93 : x
  2. Step 2: Convert to fraction form
    185,619.43/256,158.65 = 105,046.93/x
  3. Step 3: Cross multiply
    185,619.43x = 256,158.65 × 105,046.93
  4. Step 4: Simplify right side
    185,619.43x = 26,908,679,775.44
  5. Step 5: Solve for x
    x = 26,908,679,775.44/185,619.43
  6. Step 6: Final answer
    x = 144,966.93

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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.