Home / 185,788.06-256,387.30-100,904.52

Finding the Fourth Proportional to 185,788.06, 256,387.30 and 100,904.52

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Solution

The fourth proportional to 185,788.06, 256,387.30 and 100,904.52 is: 139,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,788.06 : 256,387.30 = 100,904.52 : x
  2. Step 2: Convert to fraction form
    185,788.06/256,387.30 = 100,904.52/x
  3. Step 3: Cross multiply
    185,788.06x = 256,387.30 × 100,904.52
  4. Step 4: Simplify right side
    185,788.06x = 25,870,637,440.60
  5. Step 5: Solve for x
    x = 25,870,637,440.60/185,788.06
  6. Step 6: Final answer
    x = 139,248.12

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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.