Home / 187,316.88-258,702.84-127,169.52

Finding the Fourth Proportional to 187,316.88, 258,702.84 and 127,169.52

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Solution

The fourth proportional to 187,316.88, 258,702.84 and 127,169.52 is: 175,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,316.88 : 258,702.84 = 127,169.52 : x
  2. Step 2: Convert to fraction form
    187,316.88/258,702.84 = 127,169.52/x
  3. Step 3: Cross multiply
    187,316.88x = 258,702.84 × 127,169.52
  4. Step 4: Simplify right side
    187,316.88x = 32,899,115,985.44
  5. Step 5: Solve for x
    x = 32,899,115,985.44/187,316.88
  6. Step 6: Final answer
    x = 175,633.48

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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.