Home / 138,761.06-208,224.62-59,875.28

Finding the Fourth Proportional to 138,761.06, 208,224.62 and 59,875.28

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Solution

The fourth proportional to 138,761.06, 208,224.62 and 59,875.28 is: 89,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,761.06 : 208,224.62 = 59,875.28 : x
  2. Step 2: Convert to fraction form
    138,761.06/208,224.62 = 59,875.28/x
  3. Step 3: Cross multiply
    138,761.06x = 208,224.62 × 59,875.28
  4. Step 4: Simplify right side
    138,761.06x = 12,467,507,090.27
  5. Step 5: Solve for x
    x = 12,467,507,090.27/138,761.06
  6. Step 6: Final answer
    x = 89,848.75

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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.