Home / 147,487.50-221,212.42-47,637.32

Finding the Fourth Proportional to 147,487.50, 221,212.42 and 47,637.32

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Solution

The fourth proportional to 147,487.50, 221,212.42 and 47,637.32 is: 71,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,487.50 : 221,212.42 = 47,637.32 : x
  2. Step 2: Convert to fraction form
    147,487.50/221,212.42 = 47,637.32/x
  3. Step 3: Cross multiply
    147,487.50x = 221,212.42 × 47,637.32
  4. Step 4: Simplify right side
    147,487.50x = 10,537,965,614.36
  5. Step 5: Solve for x
    x = 10,537,965,614.36/147,487.50
  6. Step 6: Final answer
    x = 71,449.89

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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.