Home / 127,162.56-190,805.80-52,305.14

Finding the Fourth Proportional to 127,162.56, 190,805.80 and 52,305.14

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Solution

The fourth proportional to 127,162.56, 190,805.80 and 52,305.14 is: 78,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,162.56 : 190,805.80 = 52,305.14 : x
  2. Step 2: Convert to fraction form
    127,162.56/190,805.80 = 52,305.14/x
  3. Step 3: Cross multiply
    127,162.56x = 190,805.80 × 52,305.14
  4. Step 4: Simplify right side
    127,162.56x = 9,980,124,081.81
  5. Step 5: Solve for x
    x = 9,980,124,081.81/127,162.56
  6. Step 6: Final answer
    x = 78,483.20

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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.