Home / 147,933.40-221,900.10-112,941.40

Finding the Fourth Proportional to 147,933.40, 221,900.10 and 112,941.40

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Solution

The fourth proportional to 147,933.40, 221,900.10 and 112,941.40 is: 169,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,933.40 : 221,900.10 = 112,941.40 : x
  2. Step 2: Convert to fraction form
    147,933.40/221,900.10 = 112,941.40/x
  3. Step 3: Cross multiply
    147,933.40x = 221,900.10 × 112,941.40
  4. Step 4: Simplify right side
    147,933.40x = 25,061,707,954.14
  5. Step 5: Solve for x
    x = 25,061,707,954.14/147,933.40
  6. Step 6: Final answer
    x = 169,412.10

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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.