Home / 187,026.32-280,558.20-53,909.84

Finding the Fourth Proportional to 187,026.32, 280,558.20 and 53,909.84

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Solution

The fourth proportional to 187,026.32, 280,558.20 and 53,909.84 is: 80,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,026.32 : 280,558.20 = 53,909.84 : x
  2. Step 2: Convert to fraction form
    187,026.32/280,558.20 = 53,909.84/x
  3. Step 3: Cross multiply
    187,026.32x = 280,558.20 × 53,909.84
  4. Step 4: Simplify right side
    187,026.32x = 15,124,847,672.69
  5. Step 5: Solve for x
    x = 15,124,847,672.69/187,026.32
  6. Step 6: Final answer
    x = 80,870.16

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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.