Home / 469,928.34-705,012.66-154,387.98

Finding the Fourth Proportional to 469,928.34, 705,012.66 and 154,387.98

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Solution

The fourth proportional to 469,928.34, 705,012.66 and 154,387.98 is: 231,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,928.34 : 705,012.66 = 154,387.98 : x
  2. Step 2: Convert to fraction form
    469,928.34/705,012.66 = 154,387.98/x
  3. Step 3: Cross multiply
    469,928.34x = 705,012.66 × 154,387.98
  4. Step 4: Simplify right side
    469,928.34x = 108,845,480,451.83
  5. Step 5: Solve for x
    x = 108,845,480,451.83/469,928.34
  6. Step 6: Final answer
    x = 231,621.44

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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.