Home / 187,425.74-281,094.45-69,032.78

Finding the Fourth Proportional to 187,425.74, 281,094.45 and 69,032.78

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Solution

The fourth proportional to 187,425.74, 281,094.45 and 69,032.78 is: 103,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,425.74 : 281,094.45 = 69,032.78 : x
  2. Step 2: Convert to fraction form
    187,425.74/281,094.45 = 69,032.78/x
  3. Step 3: Cross multiply
    187,425.74x = 281,094.45 × 69,032.78
  4. Step 4: Simplify right side
    187,425.74x = 19,404,731,326.07
  5. Step 5: Solve for x
    x = 19,404,731,326.07/187,425.74
  6. Step 6: Final answer
    x = 103,532.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.