Home / 147,935.62-221,881.56-54,419.50

Finding the Fourth Proportional to 147,935.62, 221,881.56 and 54,419.50

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Solution

The fourth proportional to 147,935.62, 221,881.56 and 54,419.50 is: 81,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,935.62 : 221,881.56 = 54,419.50 : x
  2. Step 2: Convert to fraction form
    147,935.62/221,881.56 = 54,419.50/x
  3. Step 3: Cross multiply
    147,935.62x = 221,881.56 × 54,419.50
  4. Step 4: Simplify right side
    147,935.62x = 12,074,683,554.42
  5. Step 5: Solve for x
    x = 12,074,683,554.42/147,935.62
  6. Step 6: Final answer
    x = 81,621.20

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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.