Home / 282,341.46-389,520.11-161,417.79

Finding the Fourth Proportional to 282,341.46, 389,520.11 and 161,417.79

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Solution

The fourth proportional to 282,341.46, 389,520.11 and 161,417.79 is: 222,693.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,341.46 : 389,520.11 = 161,417.79 : x
  2. Step 2: Convert to fraction form
    282,341.46/389,520.11 = 161,417.79/x
  3. Step 3: Cross multiply
    282,341.46x = 389,520.11 × 161,417.79
  4. Step 4: Simplify right side
    282,341.46x = 62,875,474,509.67
  5. Step 5: Solve for x
    x = 62,875,474,509.67/282,341.46
  6. Step 6: Final answer
    x = 222,693.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.