Home / 186,566.78-257,258.88-126,032.37

Finding the Fourth Proportional to 186,566.78, 257,258.88 and 126,032.37

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Solution

The fourth proportional to 186,566.78, 257,258.88 and 126,032.37 is: 173,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,566.78 : 257,258.88 = 126,032.37 : x
  2. Step 2: Convert to fraction form
    186,566.78/257,258.88 = 126,032.37/x
  3. Step 3: Cross multiply
    186,566.78x = 257,258.88 × 126,032.37
  4. Step 4: Simplify right side
    186,566.78x = 32,422,946,349.95
  5. Step 5: Solve for x
    x = 32,422,946,349.95/186,566.78
  6. Step 6: Final answer
    x = 173,787.35

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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.