Home / 187,778.02-258,992.40-130,417.41

Finding the Fourth Proportional to 187,778.02, 258,992.40 and 130,417.41

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Solution

The fourth proportional to 187,778.02, 258,992.40 and 130,417.41 is: 179,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,778.02 : 258,992.40 = 130,417.41 : x
  2. Step 2: Convert to fraction form
    187,778.02/258,992.40 = 130,417.41/x
  3. Step 3: Cross multiply
    187,778.02x = 258,992.40 × 130,417.41
  4. Step 4: Simplify right side
    187,778.02x = 33,777,118,017.68
  5. Step 5: Solve for x
    x = 33,777,118,017.68/187,778.02
  6. Step 6: Final answer
    x = 179,877.91

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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.