Home / 186,542.02-279,810.96-111,683.08

Finding the Fourth Proportional to 186,542.02, 279,810.96 and 111,683.08

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Solution

The fourth proportional to 186,542.02, 279,810.96 and 111,683.08 is: 167,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,542.02 : 279,810.96 = 111,683.08 : x
  2. Step 2: Convert to fraction form
    186,542.02/279,810.96 = 111,683.08/x
  3. Step 3: Cross multiply
    186,542.02x = 279,810.96 × 111,683.08
  4. Step 4: Simplify right side
    186,542.02x = 31,250,149,830.56
  5. Step 5: Solve for x
    x = 31,250,149,830.56/186,542.02
  6. Step 6: Final answer
    x = 167,523.38

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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.