Home / 187,549.36-281,293.71-69,276.40

Finding the Fourth Proportional to 187,549.36, 281,293.71 and 69,276.40

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Solution

The fourth proportional to 187,549.36, 281,293.71 and 69,276.40 is: 103,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,549.36 : 281,293.71 = 69,276.40 : x
  2. Step 2: Convert to fraction form
    187,549.36/281,293.71 = 69,276.40/x
  3. Step 3: Cross multiply
    187,549.36x = 281,293.71 × 69,276.40
  4. Step 4: Simplify right side
    187,549.36x = 19,487,015,571.44
  5. Step 5: Solve for x
    x = 19,487,015,571.44/187,549.36
  6. Step 6: Final answer
    x = 103,903.40

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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.