Home / 148,076.80-204,344.16-84,412.48

Finding the Fourth Proportional to 148,076.80, 204,344.16 and 84,412.48

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Solution

The fourth proportional to 148,076.80, 204,344.16 and 84,412.48 is: 116,488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,076.80 : 204,344.16 = 84,412.48 : x
  2. Step 2: Convert to fraction form
    148,076.80/204,344.16 = 84,412.48/x
  3. Step 3: Cross multiply
    148,076.80x = 204,344.16 × 84,412.48
  4. Step 4: Simplify right side
    148,076.80x = 17,249,197,319.12
  5. Step 5: Solve for x
    x = 17,249,197,319.12/148,076.80
  6. Step 6: Final answer
    x = 116,488.18

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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.