Home / 185,841.36-256,467.60-105,271.20

Finding the Fourth Proportional to 185,841.36, 256,467.60 and 105,271.20

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Solution

The fourth proportional to 185,841.36, 256,467.60 and 105,271.20 is: 145,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,841.36 : 256,467.60 = 105,271.20 : x
  2. Step 2: Convert to fraction form
    185,841.36/256,467.60 = 105,271.20/x
  3. Step 3: Cross multiply
    185,841.36x = 256,467.60 × 105,271.20
  4. Step 4: Simplify right side
    185,841.36x = 26,998,652,013.12
  5. Step 5: Solve for x
    x = 26,998,652,013.12/185,841.36
  6. Step 6: Final answer
    x = 145,277.95

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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.