Home / 185,890.86-256,528.91-101,007.93

Finding the Fourth Proportional to 185,890.86, 256,528.91 and 101,007.93

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Solution

The fourth proportional to 185,890.86, 256,528.91 and 101,007.93 is: 139,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,890.86 : 256,528.91 = 101,007.93 : x
  2. Step 2: Convert to fraction form
    185,890.86/256,528.91 = 101,007.93/x
  3. Step 3: Cross multiply
    185,890.86x = 256,528.91 × 101,007.93
  4. Step 4: Simplify right side
    185,890.86x = 25,911,453,679.22
  5. Step 5: Solve for x
    x = 25,911,453,679.22/185,890.86
  6. Step 6: Final answer
    x = 139,390.68

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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.