Home / 186,527.69-257,408.24-101,644.75

Finding the Fourth Proportional to 186,527.69, 257,408.24 and 101,644.75

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Solution

The fourth proportional to 186,527.69, 257,408.24 and 101,644.75 is: 140,269.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,527.69 : 257,408.24 = 101,644.75 : x
  2. Step 2: Convert to fraction form
    186,527.69/257,408.24 = 101,644.75/x
  3. Step 3: Cross multiply
    186,527.69x = 257,408.24 × 101,644.75
  4. Step 4: Simplify right side
    186,527.69x = 26,164,196,202.74
  5. Step 5: Solve for x
    x = 26,164,196,202.74/186,527.69
  6. Step 6: Final answer
    x = 140,269.77

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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.