Home / 185,649.02-256,188.80-100,764.26

Finding the Fourth Proportional to 185,649.02, 256,188.80 and 100,764.26

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Solution

The fourth proportional to 185,649.02, 256,188.80 and 100,764.26 is: 139,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,649.02 : 256,188.80 = 100,764.26 : x
  2. Step 2: Convert to fraction form
    185,649.02/256,188.80 = 100,764.26/x
  3. Step 3: Cross multiply
    185,649.02x = 256,188.80 × 100,764.26
  4. Step 4: Simplify right side
    185,649.02x = 25,814,674,852.29
  5. Step 5: Solve for x
    x = 25,814,674,852.29/185,649.02
  6. Step 6: Final answer
    x = 139,050.96

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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.