Home / 186,912.35-278,938.15-166,966.91

Finding the Fourth Proportional to 186,912.35, 278,938.15 and 166,966.91

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Solution

The fourth proportional to 186,912.35, 278,938.15 and 166,966.91 is: 249,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,912.35 : 278,938.15 = 166,966.91 : x
  2. Step 2: Convert to fraction form
    186,912.35/278,938.15 = 166,966.91/x
  3. Step 3: Cross multiply
    186,912.35x = 278,938.15 × 166,966.91
  4. Step 4: Simplify right side
    186,912.35x = 46,573,440,986.62
  5. Step 5: Solve for x
    x = 46,573,440,986.62/186,912.35
  6. Step 6: Final answer
    x = 249,172.63

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1.5x scale

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.