Home / 186,402.30-279,582.53-51,485.55

Finding the Fourth Proportional to 186,402.30, 279,582.53 and 51,485.55

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Solution

The fourth proportional to 186,402.30, 279,582.53 and 51,485.55 is: 77,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,402.30 : 279,582.53 = 51,485.55 : x
  2. Step 2: Convert to fraction form
    186,402.30/279,582.53 = 51,485.55/x
  3. Step 3: Cross multiply
    186,402.30x = 279,582.53 × 51,485.55
  4. Step 4: Simplify right side
    186,402.30x = 14,394,460,070.01
  5. Step 5: Solve for x
    x = 14,394,460,070.01/186,402.30
  6. Step 6: Final answer
    x = 77,222.55

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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.