Home / 156,899.14-235,274.78-56,988.88

Finding the Fourth Proportional to 156,899.14, 235,274.78 and 56,988.88

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Solution

The fourth proportional to 156,899.14, 235,274.78 and 56,988.88 is: 85,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,899.14 : 235,274.78 = 56,988.88 : x
  2. Step 2: Convert to fraction form
    156,899.14/235,274.78 = 56,988.88/x
  3. Step 3: Cross multiply
    156,899.14x = 235,274.78 × 56,988.88
  4. Step 4: Simplify right side
    156,899.14x = 13,408,046,204.45
  5. Step 5: Solve for x
    x = 13,408,046,204.45/156,899.14
  6. Step 6: Final answer
    x = 85,456.47

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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.