Home / 119,026.76-178,415.55-40,113.71

Finding the Fourth Proportional to 119,026.76, 178,415.55 and 40,113.71

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Solution

The fourth proportional to 119,026.76, 178,415.55 and 40,113.71 is: 60,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,026.76 : 178,415.55 = 40,113.71 : x
  2. Step 2: Convert to fraction form
    119,026.76/178,415.55 = 40,113.71/x
  3. Step 3: Cross multiply
    119,026.76x = 178,415.55 × 40,113.71
  4. Step 4: Simplify right side
    119,026.76x = 7,156,909,632.19
  5. Step 5: Solve for x
    x = 7,156,909,632.19/119,026.76
  6. Step 6: Final answer
    x = 60,128.58

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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.