Home / 202,035.44-278,804.52-117,160.40

Finding the Fourth Proportional to 202,035.44, 278,804.52 and 117,160.40

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Solution

The fourth proportional to 202,035.44, 278,804.52 and 117,160.40 is: 161,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,035.44 : 278,804.52 = 117,160.40 : x
  2. Step 2: Convert to fraction form
    202,035.44/278,804.52 = 117,160.40/x
  3. Step 3: Cross multiply
    202,035.44x = 278,804.52 × 117,160.40
  4. Step 4: Simplify right side
    202,035.44x = 32,664,849,085.01
  5. Step 5: Solve for x
    x = 32,664,849,085.01/202,035.44
  6. Step 6: Final answer
    x = 161,678.81

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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.