Home / 221,568.10-332,125.35-109,075.30

Finding the Fourth Proportional to 221,568.10, 332,125.35 and 109,075.30

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Solution

The fourth proportional to 221,568.10, 332,125.35 and 109,075.30 is: 163,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,568.10 : 332,125.35 = 109,075.30 : x
  2. Step 2: Convert to fraction form
    221,568.10/332,125.35 = 109,075.30/x
  3. Step 3: Cross multiply
    221,568.10x = 332,125.35 × 109,075.30
  4. Step 4: Simplify right side
    221,568.10x = 36,226,672,188.86
  5. Step 5: Solve for x
    x = 36,226,672,188.86/221,568.10
  6. Step 6: Final answer
    x = 163,501.30

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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.