Home / 113,733.30-170,271.90-76,335.60

Finding the Fourth Proportional to 113,733.30, 170,271.90 and 76,335.60

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Solution

The fourth proportional to 113,733.30, 170,271.90 and 76,335.60 is: 114,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,733.30 : 170,271.90 = 76,335.60 : x
  2. Step 2: Convert to fraction form
    113,733.30/170,271.90 = 76,335.60/x
  3. Step 3: Cross multiply
    113,733.30x = 170,271.90 × 76,335.60
  4. Step 4: Simplify right side
    113,733.30x = 12,997,807,649.64
  5. Step 5: Solve for x
    x = 12,997,807,649.64/113,733.30
  6. Step 6: Final answer
    x = 114,283.22

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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.