Home / 303,048.36-454,542.30-92,688.12

Finding the Fourth Proportional to 303,048.36, 454,542.30 and 92,688.12

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Solution

The fourth proportional to 303,048.36, 454,542.30 and 92,688.12 is: 139,022.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,048.36 : 454,542.30 = 92,688.12 : x
  2. Step 2: Convert to fraction form
    303,048.36/454,542.30 = 92,688.12/x
  3. Step 3: Cross multiply
    303,048.36x = 454,542.30 × 92,688.12
  4. Step 4: Simplify right side
    303,048.36x = 42,130,671,247.48
  5. Step 5: Solve for x
    x = 42,130,671,247.48/303,048.36
  6. Step 6: Final answer
    x = 139,022.93

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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.