Home / 185,611.02-256,136.34-100,726.26

Finding the Fourth Proportional to 185,611.02, 256,136.34 and 100,726.26

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Solution

The fourth proportional to 185,611.02, 256,136.34 and 100,726.26 is: 138,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,611.02 : 256,136.34 = 100,726.26 : x
  2. Step 2: Convert to fraction form
    185,611.02/256,136.34 = 100,726.26/x
  3. Step 3: Cross multiply
    185,611.02x = 256,136.34 × 100,726.26
  4. Step 4: Simplify right side
    185,611.02x = 25,799,655,578.29
  5. Step 5: Solve for x
    x = 25,799,655,578.29/185,611.02
  6. Step 6: Final answer
    x = 138,998.51

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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.