Home / 124,574.22-186,389.70-76,371.38

Finding the Fourth Proportional to 124,574.22, 186,389.70 and 76,371.38

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Solution

The fourth proportional to 124,574.22, 186,389.70 and 76,371.38 is: 114,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,574.22 : 186,389.70 = 76,371.38 : x
  2. Step 2: Convert to fraction form
    124,574.22/186,389.70 = 76,371.38/x
  3. Step 3: Cross multiply
    124,574.22x = 186,389.70 × 76,371.38
  4. Step 4: Simplify right side
    124,574.22x = 14,234,838,606.79
  5. Step 5: Solve for x
    x = 14,234,838,606.79/124,574.22
  6. Step 6: Final answer
    x = 114,267.93

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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.