Home / 147,930.03-221,950.40-76,808.27

Finding the Fourth Proportional to 147,930.03, 221,950.40 and 76,808.27

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Solution

The fourth proportional to 147,930.03, 221,950.40 and 76,808.27 is: 115,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,930.03 : 221,950.40 = 76,808.27 : x
  2. Step 2: Convert to fraction form
    147,930.03/221,950.40 = 76,808.27/x
  3. Step 3: Cross multiply
    147,930.03x = 221,950.40 × 76,808.27
  4. Step 4: Simplify right side
    147,930.03x = 17,047,624,756.01
  5. Step 5: Solve for x
    x = 17,047,624,756.01/147,930.03
  6. Step 6: Final answer
    x = 115,241.14

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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.