Home / 186,999.14-258,077.48-111,547.64

Finding the Fourth Proportional to 186,999.14, 258,077.48 and 111,547.64

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Solution

The fourth proportional to 186,999.14, 258,077.48 and 111,547.64 is: 153,946.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,999.14 : 258,077.48 = 111,547.64 : x
  2. Step 2: Convert to fraction form
    186,999.14/258,077.48 = 111,547.64/x
  3. Step 3: Cross multiply
    186,999.14x = 258,077.48 × 111,547.64
  4. Step 4: Simplify right side
    186,999.14x = 28,787,933,831.15
  5. Step 5: Solve for x
    x = 28,787,933,831.15/186,999.14
  6. Step 6: Final answer
    x = 153,946.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.