Home / 213,395.09-320,092.65-63,740.52

Finding the Fourth Proportional to 213,395.09, 320,092.65 and 63,740.52

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Solution

The fourth proportional to 213,395.09, 320,092.65 and 63,740.52 is: 95,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,395.09 : 320,092.65 = 63,740.52 : x
  2. Step 2: Convert to fraction form
    213,395.09/320,092.65 = 63,740.52/x
  3. Step 3: Cross multiply
    213,395.09x = 320,092.65 × 63,740.52
  4. Step 4: Simplify right side
    213,395.09x = 20,402,871,959.18
  5. Step 5: Solve for x
    x = 20,402,871,959.18/213,395.09
  6. Step 6: Final answer
    x = 95,610.79

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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.