Home / 177,043.40-265,612.38-77,211.64

Finding the Fourth Proportional to 177,043.40, 265,612.38 and 77,211.64

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Solution

The fourth proportional to 177,043.40, 265,612.38 and 77,211.64 is: 115,838.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,043.40 : 265,612.38 = 77,211.64 : x
  2. Step 2: Convert to fraction form
    177,043.40/265,612.38 = 77,211.64/x
  3. Step 3: Cross multiply
    177,043.40x = 265,612.38 × 77,211.64
  4. Step 4: Simplify right side
    177,043.40x = 20,508,367,464.10
  5. Step 5: Solve for x
    x = 20,508,367,464.10/177,043.40
  6. Step 6: Final answer
    x = 115,838.08

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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.