Home / 147,592.60-221,453.70-68,666.20

Finding the Fourth Proportional to 147,592.60, 221,453.70 and 68,666.20

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Solution

The fourth proportional to 147,592.60, 221,453.70 and 68,666.20 is: 103,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,592.60 : 221,453.70 = 68,666.20 : x
  2. Step 2: Convert to fraction form
    147,592.60/221,453.70 = 68,666.20/x
  3. Step 3: Cross multiply
    147,592.60x = 221,453.70 × 68,666.20
  4. Step 4: Simplify right side
    147,592.60x = 15,206,384,054.94
  5. Step 5: Solve for x
    x = 15,206,384,054.94/147,592.60
  6. Step 6: Final answer
    x = 103,029.45

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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.