Home / 119,158.24-164,397.21-76,162.87

Finding the Fourth Proportional to 119,158.24, 164,397.21 and 76,162.87

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Solution

The fourth proportional to 119,158.24, 164,397.21 and 76,162.87 is: 105,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,158.24 : 164,397.21 = 76,162.87 : x
  2. Step 2: Convert to fraction form
    119,158.24/164,397.21 = 76,162.87/x
  3. Step 3: Cross multiply
    119,158.24x = 164,397.21 × 76,162.87
  4. Step 4: Simplify right side
    119,158.24x = 12,520,963,333.59
  5. Step 5: Solve for x
    x = 12,520,963,333.59/119,158.24
  6. Step 6: Final answer
    x = 105,078.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.