Home / 127,743.12-191,702.64-44,637.12

Finding the Fourth Proportional to 127,743.12, 191,702.64 and 44,637.12

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Solution

The fourth proportional to 127,743.12, 191,702.64 and 44,637.12 is: 66,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,743.12 : 191,702.64 = 44,637.12 : x
  2. Step 2: Convert to fraction form
    127,743.12/191,702.64 = 44,637.12/x
  3. Step 3: Cross multiply
    127,743.12x = 191,702.64 × 44,637.12
  4. Step 4: Simplify right side
    127,743.12x = 8,557,053,746.00
  5. Step 5: Solve for x
    x = 8,557,053,746.00/127,743.12
  6. Step 6: Final answer
    x = 66,986.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.