Home / 148,140.48-204,460.47-83,629.38

Finding the Fourth Proportional to 148,140.48, 204,460.47 and 83,629.38

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Solution

The fourth proportional to 148,140.48, 204,460.47 and 83,629.38 is: 115,423.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,140.48 : 204,460.47 = 83,629.38 : x
  2. Step 2: Convert to fraction form
    148,140.48/204,460.47 = 83,629.38/x
  3. Step 3: Cross multiply
    148,140.48x = 204,460.47 × 83,629.38
  4. Step 4: Simplify right side
    148,140.48x = 17,098,902,340.61
  5. Step 5: Solve for x
    x = 17,098,902,340.61/148,140.48
  6. Step 6: Final answer
    x = 115,423.57

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1.5x scale

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.