Home / 187,940.12-281,904.72-69,608.84

Finding the Fourth Proportional to 187,940.12, 281,904.72 and 69,608.84

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Solution

The fourth proportional to 187,940.12, 281,904.72 and 69,608.84 is: 104,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,940.12 : 281,904.72 = 69,608.84 : x
  2. Step 2: Convert to fraction form
    187,940.12/281,904.72 = 69,608.84/x
  3. Step 3: Cross multiply
    187,940.12x = 281,904.72 × 69,608.84
  4. Step 4: Simplify right side
    187,940.12x = 19,623,060,549.72
  5. Step 5: Solve for x
    x = 19,623,060,549.72/187,940.12
  6. Step 6: Final answer
    x = 104,411.24

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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.