Home / 127,042.30-190,501.71-38,279.26

Finding the Fourth Proportional to 127,042.30, 190,501.71 and 38,279.26

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Solution

The fourth proportional to 127,042.30, 190,501.71 and 38,279.26 is: 57,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,042.30 : 190,501.71 = 38,279.26 : x
  2. Step 2: Convert to fraction form
    127,042.30/190,501.71 = 38,279.26/x
  3. Step 3: Cross multiply
    127,042.30x = 190,501.71 × 38,279.26
  4. Step 4: Simplify right side
    127,042.30x = 7,292,264,487.53
  5. Step 5: Solve for x
    x = 7,292,264,487.53/127,042.30
  6. Step 6: Final answer
    x = 57,400.29

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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.