Home / 282,640.05-423,303.98-193,410.45

Finding the Fourth Proportional to 282,640.05, 423,303.98 and 193,410.45

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Solution

The fourth proportional to 282,640.05, 423,303.98 and 193,410.45 is: 289,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,640.05 : 423,303.98 = 193,410.45 : x
  2. Step 2: Convert to fraction form
    282,640.05/423,303.98 = 193,410.45/x
  3. Step 3: Cross multiply
    282,640.05x = 423,303.98 × 193,410.45
  4. Step 4: Simplify right side
    282,640.05x = 81,871,412,291.54
  5. Step 5: Solve for x
    x = 81,871,412,291.54/282,640.05
  6. Step 6: Final answer
    x = 289,666.71

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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.