Home / 119,026.74-178,415.56-40,113.72

Finding the Fourth Proportional to 119,026.74, 178,415.56 and 40,113.72

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Solution

The fourth proportional to 119,026.74, 178,415.56 and 40,113.72 is: 60,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,026.74 : 178,415.56 = 40,113.72 : x
  2. Step 2: Convert to fraction form
    119,026.74/178,415.56 = 40,113.72/x
  3. Step 3: Cross multiply
    119,026.74x = 178,415.56 × 40,113.72
  4. Step 4: Simplify right side
    119,026.74x = 7,156,911,817.48
  5. Step 5: Solve for x
    x = 7,156,911,817.48/119,026.74
  6. Step 6: Final answer
    x = 60,128.60

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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.