Home / 185,702.04-256,284.68-105,143.76

Finding the Fourth Proportional to 185,702.04, 256,284.68 and 105,143.76

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Solution

The fourth proportional to 185,702.04, 256,284.68 and 105,143.76 is: 145,107.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,702.04 : 256,284.68 = 105,143.76 : x
  2. Step 2: Convert to fraction form
    185,702.04/256,284.68 = 105,143.76/x
  3. Step 3: Cross multiply
    185,702.04x = 256,284.68 × 105,143.76
  4. Step 4: Simplify right side
    185,702.04x = 26,946,734,359.88
  5. Step 5: Solve for x
    x = 26,946,734,359.88/185,702.04
  6. Step 6: Final answer
    x = 145,107.37

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1.5x scale

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.