Home / 202,098.33-278,897.45-111,457.53

Finding the Fourth Proportional to 202,098.33, 278,897.45 and 111,457.53

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Solution

The fourth proportional to 202,098.33, 278,897.45 and 111,457.53 is: 153,812.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,098.33 : 278,897.45 = 111,457.53 : x
  2. Step 2: Convert to fraction form
    202,098.33/278,897.45 = 111,457.53/x
  3. Step 3: Cross multiply
    202,098.33x = 278,897.45 × 111,457.53
  4. Step 4: Simplify right side
    202,098.33x = 31,085,220,900.30
  5. Step 5: Solve for x
    x = 31,085,220,900.30/202,098.33
  6. Step 6: Final answer
    x = 153,812.36

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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.