Home / 185,746.77-256,330.58-100,863.86

Finding the Fourth Proportional to 185,746.77, 256,330.58 and 100,863.86

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Solution

The fourth proportional to 185,746.77, 256,330.58 and 100,863.86 is: 139,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,746.77 : 256,330.58 = 100,863.86 : x
  2. Step 2: Convert to fraction form
    185,746.77/256,330.58 = 100,863.86/x
  3. Step 3: Cross multiply
    185,746.77x = 256,330.58 × 100,863.86
  4. Step 4: Simplify right side
    185,746.77x = 25,854,489,948.87
  5. Step 5: Solve for x
    x = 25,854,489,948.87/185,746.77
  6. Step 6: Final answer
    x = 139,192.14

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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.