Home / 147,790.30-221,685.45-100,551.10

Finding the Fourth Proportional to 147,790.30, 221,685.45 and 100,551.10

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Solution

The fourth proportional to 147,790.30, 221,685.45 and 100,551.10 is: 150,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,790.30 : 221,685.45 = 100,551.10 : x
  2. Step 2: Convert to fraction form
    147,790.30/221,685.45 = 100,551.10/x
  3. Step 3: Cross multiply
    147,790.30x = 221,685.45 × 100,551.10
  4. Step 4: Simplify right side
    147,790.30x = 22,290,715,851.50
  5. Step 5: Solve for x
    x = 22,290,715,851.50/147,790.30
  6. Step 6: Final answer
    x = 150,826.65

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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.