Home / 201,799.02-278,484.57-111,155.37

Finding the Fourth Proportional to 201,799.02, 278,484.57 and 111,155.37

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Solution

The fourth proportional to 201,799.02, 278,484.57 and 111,155.37 is: 153,395.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,799.02 : 278,484.57 = 111,155.37 : x
  2. Step 2: Convert to fraction form
    201,799.02/278,484.57 = 111,155.37/x
  3. Step 3: Cross multiply
    201,799.02x = 278,484.57 × 111,155.37
  4. Step 4: Simplify right side
    201,799.02x = 30,955,055,417.64
  5. Step 5: Solve for x
    x = 30,955,055,417.64/201,799.02
  6. Step 6: Final answer
    x = 153,395.47

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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.