Home / 185,890.79-256,530.86-101,007.84

Finding the Fourth Proportional to 185,890.79, 256,530.86 and 101,007.84

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Solution

The fourth proportional to 185,890.79, 256,530.86 and 101,007.84 is: 139,391.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,890.79 : 256,530.86 = 101,007.84 : x
  2. Step 2: Convert to fraction form
    185,890.79/256,530.86 = 101,007.84/x
  3. Step 3: Cross multiply
    185,890.79x = 256,530.86 × 101,007.84
  4. Step 4: Simplify right side
    185,890.79x = 25,911,627,556.90
  5. Step 5: Solve for x
    x = 25,911,627,556.90/185,890.79
  6. Step 6: Final answer
    x = 139,391.67

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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.