Home / 134,649.36-185,756.76-83,648.52

Finding the Fourth Proportional to 134,649.36, 185,756.76 and 83,648.52

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Solution

The fourth proportional to 134,649.36, 185,756.76 and 83,648.52 is: 115,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,649.36 : 185,756.76 = 83,648.52 : x
  2. Step 2: Convert to fraction form
    134,649.36/185,756.76 = 83,648.52/x
  3. Step 3: Cross multiply
    134,649.36x = 185,756.76 × 83,648.52
  4. Step 4: Simplify right side
    134,649.36x = 15,538,278,054.00
  5. Step 5: Solve for x
    x = 15,538,278,054.00/134,649.36
  6. Step 6: Final answer
    x = 115,398.08

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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.