Home / 148,579.47-204,989.81-84,872.16

Finding the Fourth Proportional to 148,579.47, 204,989.81 and 84,872.16

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Solution

The fourth proportional to 148,579.47, 204,989.81 and 84,872.16 is: 117,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,579.47 : 204,989.81 = 84,872.16 : x
  2. Step 2: Convert to fraction form
    148,579.47/204,989.81 = 84,872.16/x
  3. Step 3: Cross multiply
    148,579.47x = 204,989.81 × 84,872.16
  4. Step 4: Simplify right side
    148,579.47x = 17,397,927,528.33
  5. Step 5: Solve for x
    x = 17,397,927,528.33/148,579.47
  6. Step 6: Final answer
    x = 117,095.10

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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.