Home / 147,950.20-221,795.70-88,809.40

Finding the Fourth Proportional to 147,950.20, 221,795.70 and 88,809.40

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Solution

The fourth proportional to 147,950.20, 221,795.70 and 88,809.40 is: 133,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,950.20 : 221,795.70 = 88,809.40 : x
  2. Step 2: Convert to fraction form
    147,950.20/221,795.70 = 88,809.40/x
  3. Step 3: Cross multiply
    147,950.20x = 221,795.70 × 88,809.40
  4. Step 4: Simplify right side
    147,950.20x = 19,697,543,039.58
  5. Step 5: Solve for x
    x = 19,697,543,039.58/147,950.20
  6. Step 6: Final answer
    x = 133,136.31

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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.