Home / 186,728.21-257,688-101,845.27

Finding the Fourth Proportional to 186,728.21, 257,688 and 101,845.27

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Solution

The fourth proportional to 186,728.21, 257,688 and 101,845.27 is: 140,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,728.21 : 257,688 = 101,845.27 : x
  2. Step 2: Convert to fraction form
    186,728.21/257,688 = 101,845.27/x
  3. Step 3: Cross multiply
    186,728.21x = 257,688 × 101,845.27
  4. Step 4: Simplify right side
    186,728.21x = 26,244,304,257.87
  5. Step 5: Solve for x
    x = 26,244,304,257.87/186,728.21
  6. Step 6: Final answer
    x = 140,548.15

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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.