Home / 147,783.65-221,706.63-47,936.08

Finding the Fourth Proportional to 147,783.65, 221,706.63 and 47,936.08

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Solution

The fourth proportional to 147,783.65, 221,706.63 and 47,936.08 is: 71,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,783.65 : 221,706.63 = 47,936.08 : x
  2. Step 2: Convert to fraction form
    147,783.65/221,706.63 = 47,936.08/x
  3. Step 3: Cross multiply
    147,783.65x = 221,706.63 × 47,936.08
  4. Step 4: Simplify right side
    147,783.65x = 10,627,746,752.21
  5. Step 5: Solve for x
    x = 10,627,746,752.21/147,783.65
  6. Step 6: Final answer
    x = 71,914.23

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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.