Home / 127,127.06-190,721.42-38,375.26

Finding the Fourth Proportional to 127,127.06, 190,721.42 and 38,375.26

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Solution

The fourth proportional to 127,127.06, 190,721.42 and 38,375.26 is: 57,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,127.06 : 190,721.42 = 38,375.26 : x
  2. Step 2: Convert to fraction form
    127,127.06/190,721.42 = 38,375.26/x
  3. Step 3: Cross multiply
    127,127.06x = 190,721.42 × 38,375.26
  4. Step 4: Simplify right side
    127,127.06x = 7,318,983,888.19
  5. Step 5: Solve for x
    x = 7,318,983,888.19/127,127.06
  6. Step 6: Final answer
    x = 57,572.20

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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.