Home / 148,123.63-204,405.55-84,481.93

Finding the Fourth Proportional to 148,123.63, 204,405.55 and 84,481.93

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Solution

The fourth proportional to 148,123.63, 204,405.55 and 84,481.93 is: 116,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,123.63 : 204,405.55 = 84,481.93 : x
  2. Step 2: Convert to fraction form
    148,123.63/204,405.55 = 84,481.93/x
  3. Step 3: Cross multiply
    148,123.63x = 204,405.55 × 84,481.93
  4. Step 4: Simplify right side
    148,123.63x = 17,268,575,366.71
  5. Step 5: Solve for x
    x = 17,268,575,366.71/148,123.63
  6. Step 6: Final answer
    x = 116,582.18

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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.