Home / 147,726.48-203,862.78-84,064.80

Finding the Fourth Proportional to 147,726.48, 203,862.78 and 84,064.80

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Solution

The fourth proportional to 147,726.48, 203,862.78 and 84,064.80 is: 116,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,726.48 : 203,862.78 = 84,064.80 : x
  2. Step 2: Convert to fraction form
    147,726.48/203,862.78 = 84,064.80/x
  3. Step 3: Cross multiply
    147,726.48x = 203,862.78 × 84,064.80
  4. Step 4: Simplify right side
    147,726.48x = 17,137,683,828.14
  5. Step 5: Solve for x
    x = 17,137,683,828.14/147,726.48
  6. Step 6: Final answer
    x = 116,009.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.