Home / 186,227.72-257,000.08-105,658.64

Finding the Fourth Proportional to 186,227.72, 257,000.08 and 105,658.64

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Solution

The fourth proportional to 186,227.72, 257,000.08 and 105,658.64 is: 145,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,227.72 : 257,000.08 = 105,658.64 : x
  2. Step 2: Convert to fraction form
    186,227.72/257,000.08 = 105,658.64/x
  3. Step 3: Cross multiply
    186,227.72x = 257,000.08 × 105,658.64
  4. Step 4: Simplify right side
    186,227.72x = 27,154,278,932.69
  5. Step 5: Solve for x
    x = 27,154,278,932.69/186,227.72
  6. Step 6: Final answer
    x = 145,812.23

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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.