Home / 186,902.40-280,066.56-126,852.90

Finding the Fourth Proportional to 186,902.40, 280,066.56 and 126,852.90

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Solution

The fourth proportional to 186,902.40, 280,066.56 and 126,852.90 is: 190,084.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,902.40 : 280,066.56 = 126,852.90 : x
  2. Step 2: Convert to fraction form
    186,902.40/280,066.56 = 126,852.90/x
  3. Step 3: Cross multiply
    186,902.40x = 280,066.56 × 126,852.90
  4. Step 4: Simplify right side
    186,902.40x = 35,527,255,329.02
  5. Step 5: Solve for x
    x = 35,527,255,329.02/186,902.40
  6. Step 6: Final answer
    x = 190,084.53

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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.