Home / 119,031.40-178,547.10-48,874.60

Finding the Fourth Proportional to 119,031.40, 178,547.10 and 48,874.60

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Solution

The fourth proportional to 119,031.40, 178,547.10 and 48,874.60 is: 73,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,031.40 : 178,547.10 = 48,874.60 : x
  2. Step 2: Convert to fraction form
    119,031.40/178,547.10 = 48,874.60/x
  3. Step 3: Cross multiply
    119,031.40x = 178,547.10 × 48,874.60
  4. Step 4: Simplify right side
    119,031.40x = 8,726,418,093.66
  5. Step 5: Solve for x
    x = 8,726,418,093.66/119,031.40
  6. Step 6: Final answer
    x = 73,311.90

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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.