Home / 256,071.12-353,511.12-187,083.24

Finding the Fourth Proportional to 256,071.12, 353,511.12 and 187,083.24

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Solution

The fourth proportional to 256,071.12, 353,511.12 and 187,083.24 is: 258,272.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,071.12 : 353,511.12 = 187,083.24 : x
  2. Step 2: Convert to fraction form
    256,071.12/353,511.12 = 187,083.24/x
  3. Step 3: Cross multiply
    256,071.12x = 353,511.12 × 187,083.24
  4. Step 4: Simplify right side
    256,071.12x = 66,136,005,705.63
  5. Step 5: Solve for x
    x = 66,136,005,705.63/256,071.12
  6. Step 6: Final answer
    x = 258,272.02

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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.