Home / 238,712.02-329,415.19-131,271.59

Finding the Fourth Proportional to 238,712.02, 329,415.19 and 131,271.59

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Solution

The fourth proportional to 238,712.02, 329,415.19 and 131,271.59 is: 181,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,712.02 : 329,415.19 = 131,271.59 : x
  2. Step 2: Convert to fraction form
    238,712.02/329,415.19 = 131,271.59/x
  3. Step 3: Cross multiply
    238,712.02x = 329,415.19 × 131,271.59
  4. Step 4: Simplify right side
    238,712.02x = 43,242,856,256.81
  5. Step 5: Solve for x
    x = 43,242,856,256.81/238,712.02
  6. Step 6: Final answer
    x = 181,150.73

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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.