Home / 185,702.49-256,271.04-100,819.76

Finding the Fourth Proportional to 185,702.49, 256,271.04 and 100,819.76

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Solution

The fourth proportional to 185,702.49, 256,271.04 and 100,819.76 is: 139,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,702.49 : 256,271.04 = 100,819.76 : x
  2. Step 2: Convert to fraction form
    185,702.49/256,271.04 = 100,819.76/x
  3. Step 3: Cross multiply
    185,702.49x = 256,271.04 × 100,819.76
  4. Step 4: Simplify right side
    185,702.49x = 25,837,183,466.40
  5. Step 5: Solve for x
    x = 25,837,183,466.40/185,702.49
  6. Step 6: Final answer
    x = 139,132.13

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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.