Home / 186,856.88-280,482.57-87,113.25

Finding the Fourth Proportional to 186,856.88, 280,482.57 and 87,113.25

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Solution

The fourth proportional to 186,856.88, 280,482.57 and 87,113.25 is: 130,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,856.88 : 280,482.57 = 87,113.25 : x
  2. Step 2: Convert to fraction form
    186,856.88/280,482.57 = 87,113.25/x
  3. Step 3: Cross multiply
    186,856.88x = 280,482.57 × 87,113.25
  4. Step 4: Simplify right side
    186,856.88x = 24,433,748,241.05
  5. Step 5: Solve for x
    x = 24,433,748,241.05/186,856.88
  6. Step 6: Final answer
    x = 130,761.84

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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.