Home / 144,389.40-199,177.37-83,953.36

Finding the Fourth Proportional to 144,389.40, 199,177.37 and 83,953.36

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Solution

The fourth proportional to 144,389.40, 199,177.37 and 83,953.36 is: 115,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,389.40 : 199,177.37 = 83,953.36 : x
  2. Step 2: Convert to fraction form
    144,389.40/199,177.37 = 83,953.36/x
  3. Step 3: Cross multiply
    144,389.40x = 199,177.37 × 83,953.36
  4. Step 4: Simplify right side
    144,389.40x = 16,721,609,447.46
  5. Step 5: Solve for x
    x = 16,721,609,447.46/144,389.40
  6. Step 6: Final answer
    x = 115,809.12

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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.