Home / 148,984.55-205,569.26-83,575.55

Finding the Fourth Proportional to 148,984.55, 205,569.26 and 83,575.55

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Solution

The fourth proportional to 148,984.55, 205,569.26 and 83,575.55 is: 115,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,984.55 : 205,569.26 = 83,575.55 : x
  2. Step 2: Convert to fraction form
    148,984.55/205,569.26 = 83,575.55/x
  3. Step 3: Cross multiply
    148,984.55x = 205,569.26 × 83,575.55
  4. Step 4: Simplify right side
    148,984.55x = 17,180,563,148.69
  5. Step 5: Solve for x
    x = 17,180,563,148.69/148,984.55
  6. Step 6: Final answer
    x = 115,317.75

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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.