Home / 354,386.30-531,886.61-186,025.57

Finding the Fourth Proportional to 354,386.30, 531,886.61 and 186,025.57

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Solution

The fourth proportional to 354,386.30, 531,886.61 and 186,025.57 is: 279,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,386.30 : 531,886.61 = 186,025.57 : x
  2. Step 2: Convert to fraction form
    354,386.30/531,886.61 = 186,025.57/x
  3. Step 3: Cross multiply
    354,386.30x = 531,886.61 × 186,025.57
  4. Step 4: Simplify right side
    354,386.30x = 98,944,508,935.97
  5. Step 5: Solve for x
    x = 98,944,508,935.97/354,386.30
  6. Step 6: Final answer
    x = 279,199.59

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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.