Home / 127,337.09-190,886.91-43,038.31

Finding the Fourth Proportional to 127,337.09, 190,886.91 and 43,038.31

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Solution

The fourth proportional to 127,337.09, 190,886.91 and 43,038.31 is: 64,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,337.09 : 190,886.91 = 43,038.31 : x
  2. Step 2: Convert to fraction form
    127,337.09/190,886.91 = 43,038.31/x
  3. Step 3: Cross multiply
    127,337.09x = 190,886.91 × 43,038.31
  4. Step 4: Simplify right side
    127,337.09x = 8,215,449,053.09
  5. Step 5: Solve for x
    x = 8,215,449,053.09/127,337.09
  6. Step 6: Final answer
    x = 64,517.33

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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.