Home / 186,638.27-279,875.04-53,488.31

Finding the Fourth Proportional to 186,638.27, 279,875.04 and 53,488.31

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Solution

The fourth proportional to 186,638.27, 279,875.04 and 53,488.31 is: 80,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,638.27 : 279,875.04 = 53,488.31 : x
  2. Step 2: Convert to fraction form
    186,638.27/279,875.04 = 53,488.31/x
  3. Step 3: Cross multiply
    186,638.27x = 279,875.04 × 53,488.31
  4. Step 4: Simplify right side
    186,638.27x = 14,970,041,501.41
  5. Step 5: Solve for x
    x = 14,970,041,501.41/186,638.27
  6. Step 6: Final answer
    x = 80,208.85

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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.