Home / 127,641.47-191,564.26-57,526.25

Finding the Fourth Proportional to 127,641.47, 191,564.26 and 57,526.25

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Solution

The fourth proportional to 127,641.47, 191,564.26 and 57,526.25 is: 86,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,641.47 : 191,564.26 = 57,526.25 : x
  2. Step 2: Convert to fraction form
    127,641.47/191,564.26 = 57,526.25/x
  3. Step 3: Cross multiply
    127,641.47x = 191,564.26 × 57,526.25
  4. Step 4: Simplify right side
    127,641.47x = 11,019,972,410.19
  5. Step 5: Solve for x
    x = 11,019,972,410.19/127,641.47
  6. Step 6: Final answer
    x = 86,335.36

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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.