Home / 281,644.32-421,922.10-156,606.24

Finding the Fourth Proportional to 281,644.32, 421,922.10 and 156,606.24

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Solution

The fourth proportional to 281,644.32, 421,922.10 and 156,606.24 is: 234,606.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,644.32 : 421,922.10 = 156,606.24 : x
  2. Step 2: Convert to fraction form
    281,644.32/421,922.10 = 156,606.24/x
  3. Step 3: Cross multiply
    281,644.32x = 421,922.10 × 156,606.24
  4. Step 4: Simplify right side
    281,644.32x = 66,075,633,653.90
  5. Step 5: Solve for x
    x = 66,075,633,653.90/281,644.32
  6. Step 6: Final answer
    x = 234,606.66

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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.