Home / 255,154.38-351,667.62-187,026.90

Finding the Fourth Proportional to 255,154.38, 351,667.62 and 187,026.90

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Solution

The fourth proportional to 255,154.38, 351,667.62 and 187,026.90 is: 257,770.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,154.38 : 351,667.62 = 187,026.90 : x
  2. Step 2: Convert to fraction form
    255,154.38/351,667.62 = 187,026.90/x
  3. Step 3: Cross multiply
    255,154.38x = 351,667.62 × 187,026.90
  4. Step 4: Simplify right side
    255,154.38x = 65,771,304,798.98
  5. Step 5: Solve for x
    x = 65,771,304,798.98/255,154.38
  6. Step 6: Final answer
    x = 257,770.63

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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.