Home / 147,322.23-221,093.40-99,824.70

Finding the Fourth Proportional to 147,322.23, 221,093.40 and 99,824.70

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Solution

The fourth proportional to 147,322.23, 221,093.40 and 99,824.70 is: 149,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,322.23 : 221,093.40 = 99,824.70 : x
  2. Step 2: Convert to fraction form
    147,322.23/221,093.40 = 99,824.70/x
  3. Step 3: Cross multiply
    147,322.23x = 221,093.40 × 99,824.70
  4. Step 4: Simplify right side
    147,322.23x = 22,070,582,326.98
  5. Step 5: Solve for x
    x = 22,070,582,326.98/147,322.23
  6. Step 6: Final answer
    x = 149,811.62

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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.