Home / 118,320.91-177,376.12-43,423.92

Finding the Fourth Proportional to 118,320.91, 177,376.12 and 43,423.92

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Solution

The fourth proportional to 118,320.91, 177,376.12 and 43,423.92 is: 65,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,320.91 : 177,376.12 = 43,423.92 : x
  2. Step 2: Convert to fraction form
    118,320.91/177,376.12 = 43,423.92/x
  3. Step 3: Cross multiply
    118,320.91x = 177,376.12 × 43,423.92
  4. Step 4: Simplify right side
    118,320.91x = 7,702,366,444.79
  5. Step 5: Solve for x
    x = 7,702,366,444.79/118,320.91
  6. Step 6: Final answer
    x = 65,097.25

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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.