Home / 161,658.22-242,487.81-56,477.20

Finding the Fourth Proportional to 161,658.22, 242,487.81 and 56,477.20

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Solution

The fourth proportional to 161,658.22, 242,487.81 and 56,477.20 is: 84,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,658.22 : 242,487.81 = 56,477.20 : x
  2. Step 2: Convert to fraction form
    161,658.22/242,487.81 = 56,477.20/x
  3. Step 3: Cross multiply
    161,658.22x = 242,487.81 × 56,477.20
  4. Step 4: Simplify right side
    161,658.22x = 13,695,032,542.93
  5. Step 5: Solve for x
    x = 13,695,032,542.93/161,658.22
  6. Step 6: Final answer
    x = 84,715.97

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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.