Home / 185,898.17-256,518.65-105,308.44

Finding the Fourth Proportional to 185,898.17, 256,518.65 and 105,308.44

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Solution

The fourth proportional to 185,898.17, 256,518.65 and 105,308.44 is: 145,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,898.17 : 256,518.65 = 105,308.44 : x
  2. Step 2: Convert to fraction form
    185,898.17/256,518.65 = 105,308.44/x
  3. Step 3: Cross multiply
    185,898.17x = 256,518.65 × 105,308.44
  4. Step 4: Simplify right side
    185,898.17x = 27,013,577,579.81
  5. Step 5: Solve for x
    x = 27,013,577,579.81/185,898.17
  6. Step 6: Final answer
    x = 145,313.84

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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.