Home / 282,022.92-423,145.16-124,140.68

Finding the Fourth Proportional to 282,022.92, 423,145.16 and 124,140.68

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Solution

The fourth proportional to 282,022.92, 423,145.16 and 124,140.68 is: 186,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,022.92 : 423,145.16 = 124,140.68 : x
  2. Step 2: Convert to fraction form
    282,022.92/423,145.16 = 124,140.68/x
  3. Step 3: Cross multiply
    282,022.92x = 423,145.16 × 124,140.68
  4. Step 4: Simplify right side
    282,022.92x = 52,529,527,901.11
  5. Step 5: Solve for x
    x = 52,529,527,901.11/282,022.92
  6. Step 6: Final answer
    x = 186,259.78

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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.