Home / 189,746.69-283,959.81-117,665.91

Finding the Fourth Proportional to 189,746.69, 283,959.81 and 117,665.91

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Solution

The fourth proportional to 189,746.69, 283,959.81 and 117,665.91 is: 176,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,746.69 : 283,959.81 = 117,665.91 : x
  2. Step 2: Convert to fraction form
    189,746.69/283,959.81 = 117,665.91/x
  3. Step 3: Cross multiply
    189,746.69x = 283,959.81 × 117,665.91
  4. Step 4: Simplify right side
    189,746.69x = 33,412,389,447.08
  5. Step 5: Solve for x
    x = 33,412,389,447.08/189,746.69
  6. Step 6: Final answer
    x = 176,089.45

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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.