Home / 186,301.71-257,096.40-101,418.75

Finding the Fourth Proportional to 186,301.71, 257,096.40 and 101,418.75

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Solution

The fourth proportional to 186,301.71, 257,096.40 and 101,418.75 is: 139,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,301.71 : 257,096.40 = 101,418.75 : x
  2. Step 2: Convert to fraction form
    186,301.71/257,096.40 = 101,418.75/x
  3. Step 3: Cross multiply
    186,301.71x = 257,096.40 × 101,418.75
  4. Step 4: Simplify right side
    186,301.71x = 26,074,395,517.50
  5. Step 5: Solve for x
    x = 26,074,395,517.50/186,301.71
  6. Step 6: Final answer
    x = 139,957.90

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1.5x scale

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.