Home / 148,487.04-204,637.32-105,468.48

Finding the Fourth Proportional to 148,487.04, 204,637.32 and 105,468.48

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Solution

The fourth proportional to 148,487.04, 204,637.32 and 105,468.48 is: 145,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,487.04 : 204,637.32 = 105,468.48 : x
  2. Step 2: Convert to fraction form
    148,487.04/204,637.32 = 105,468.48/x
  3. Step 3: Cross multiply
    148,487.04x = 204,637.32 × 105,468.48
  4. Step 4: Simplify right side
    148,487.04x = 21,582,787,091.67
  5. Step 5: Solve for x
    x = 21,582,787,091.67/148,487.04
  6. Step 6: Final answer
    x = 145,351.32

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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.