Home / 127,237.37-190,921.68-52,412.81

Finding the Fourth Proportional to 127,237.37, 190,921.68 and 52,412.81

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Solution

The fourth proportional to 127,237.37, 190,921.68 and 52,412.81 is: 78,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,237.37 : 190,921.68 = 52,412.81 : x
  2. Step 2: Convert to fraction form
    127,237.37/190,921.68 = 52,412.81/x
  3. Step 3: Cross multiply
    127,237.37x = 190,921.68 × 52,412.81
  4. Step 4: Simplify right side
    127,237.37x = 10,006,740,784.11
  5. Step 5: Solve for x
    x = 10,006,740,784.11/127,237.37
  6. Step 6: Final answer
    x = 78,646.24

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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.