Home / 127,239.27-190,799.66-47,221.51

Finding the Fourth Proportional to 127,239.27, 190,799.66 and 47,221.51

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Solution

The fourth proportional to 127,239.27, 190,799.66 and 47,221.51 is: 70,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,239.27 : 190,799.66 = 47,221.51 : x
  2. Step 2: Convert to fraction form
    127,239.27/190,799.66 = 47,221.51/x
  3. Step 3: Cross multiply
    127,239.27x = 190,799.66 × 47,221.51
  4. Step 4: Simplify right side
    127,239.27x = 9,009,846,862.58
  5. Step 5: Solve for x
    x = 9,009,846,862.58/127,239.27
  6. Step 6: Final answer
    x = 70,810.27

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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.