Home / 187,605.28-281,341.50-69,244.84

Finding the Fourth Proportional to 187,605.28, 281,341.50 and 69,244.84

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Solution

The fourth proportional to 187,605.28, 281,341.50 and 69,244.84 is: 103,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,605.28 : 281,341.50 = 69,244.84 : x
  2. Step 2: Convert to fraction form
    187,605.28/281,341.50 = 69,244.84/x
  3. Step 3: Cross multiply
    187,605.28x = 281,341.50 × 69,244.84
  4. Step 4: Simplify right side
    187,605.28x = 19,481,447,152.86
  5. Step 5: Solve for x
    x = 19,481,447,152.86/187,605.28
  6. Step 6: Final answer
    x = 103,842.74

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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.