Home / 186,917.34-278,945.60-166,971.90

Finding the Fourth Proportional to 186,917.34, 278,945.60 and 166,971.90

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Solution

The fourth proportional to 186,917.34, 278,945.60 and 166,971.90 is: 249,180.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,917.34 : 278,945.60 = 166,971.90 : x
  2. Step 2: Convert to fraction form
    186,917.34/278,945.60 = 166,971.90/x
  3. Step 3: Cross multiply
    186,917.34x = 278,945.60 × 166,971.90
  4. Step 4: Simplify right side
    186,917.34x = 46,576,076,828.64
  5. Step 5: Solve for x
    x = 46,576,076,828.64/186,917.34
  6. Step 6: Final answer
    x = 249,180.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.