Home / 442,926.81-664,477.65-162,446.49

Finding the Fourth Proportional to 442,926.81, 664,477.65 and 162,446.49

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Solution

The fourth proportional to 442,926.81, 664,477.65 and 162,446.49 is: 243,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,926.81 : 664,477.65 = 162,446.49 : x
  2. Step 2: Convert to fraction form
    442,926.81/664,477.65 = 162,446.49/x
  3. Step 3: Cross multiply
    442,926.81x = 664,477.65 × 162,446.49
  4. Step 4: Simplify right side
    442,926.81x = 107,942,061,925.95
  5. Step 5: Solve for x
    x = 107,942,061,925.95/442,926.81
  6. Step 6: Final answer
    x = 243,701.80

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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.