Home / 130,726.71-196,090.07-91,360.71

Finding the Fourth Proportional to 130,726.71, 196,090.07 and 91,360.71

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Solution

The fourth proportional to 130,726.71, 196,090.07 and 91,360.71 is: 137,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,726.71 : 196,090.07 = 91,360.71 : x
  2. Step 2: Convert to fraction form
    130,726.71/196,090.07 = 91,360.71/x
  3. Step 3: Cross multiply
    130,726.71x = 196,090.07 × 91,360.71
  4. Step 4: Simplify right side
    130,726.71x = 17,914,927,562.35
  5. Step 5: Solve for x
    x = 17,914,927,562.35/130,726.71
  6. Step 6: Final answer
    x = 137,041.07

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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.