Home / 185,835.63-256,451.76-100,953.30

Finding the Fourth Proportional to 185,835.63, 256,451.76 and 100,953.30

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Solution

The fourth proportional to 185,835.63, 256,451.76 and 100,953.30 is: 139,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,835.63 : 256,451.76 = 100,953.30 : x
  2. Step 2: Convert to fraction form
    185,835.63/256,451.76 = 100,953.30/x
  3. Step 3: Cross multiply
    185,835.63x = 256,451.76 × 100,953.30
  4. Step 4: Simplify right side
    185,835.63x = 25,889,651,462.81
  5. Step 5: Solve for x
    x = 25,889,651,462.81/185,835.63
  6. Step 6: Final answer
    x = 139,314.79

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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.