Home / 147,812.51-221,661.24-47,948.55

Finding the Fourth Proportional to 147,812.51, 221,661.24 and 47,948.55

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Solution

The fourth proportional to 147,812.51, 221,661.24 and 47,948.55 is: 71,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,812.51 : 221,661.24 = 47,948.55 : x
  2. Step 2: Convert to fraction form
    147,812.51/221,661.24 = 47,948.55/x
  3. Step 3: Cross multiply
    147,812.51x = 221,661.24 × 47,948.55
  4. Step 4: Simplify right side
    147,812.51x = 10,628,335,049.20
  5. Step 5: Solve for x
    x = 10,628,335,049.20/147,812.51
  6. Step 6: Final answer
    x = 71,904.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.