Home / 147,933.40-221,900.10-73,065.10

Finding the Fourth Proportional to 147,933.40, 221,900.10 and 73,065.10

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Solution

The fourth proportional to 147,933.40, 221,900.10 and 73,065.10 is: 109,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,933.40 : 221,900.10 = 73,065.10 : x
  2. Step 2: Convert to fraction form
    147,933.40/221,900.10 = 73,065.10/x
  3. Step 3: Cross multiply
    147,933.40x = 221,900.10 × 73,065.10
  4. Step 4: Simplify right side
    147,933.40x = 16,213,152,996.51
  5. Step 5: Solve for x
    x = 16,213,152,996.51/147,933.40
  6. Step 6: Final answer
    x = 109,597.65

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1.5x scale

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.