Home / 186,824.16-280,233.52-86,928.48

Finding the Fourth Proportional to 186,824.16, 280,233.52 and 86,928.48

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Solution

The fourth proportional to 186,824.16, 280,233.52 and 86,928.48 is: 130,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,824.16 : 280,233.52 = 86,928.48 : x
  2. Step 2: Convert to fraction form
    186,824.16/280,233.52 = 86,928.48/x
  3. Step 3: Cross multiply
    186,824.16x = 280,233.52 × 86,928.48
  4. Step 4: Simplify right side
    186,824.16x = 24,360,273,938.65
  5. Step 5: Solve for x
    x = 24,360,273,938.65/186,824.16
  6. Step 6: Final answer
    x = 130,391.45

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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.