Home / 169,033.32-233,017.47-128,676.78

Finding the Fourth Proportional to 169,033.32, 233,017.47 and 128,676.78

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Solution

The fourth proportional to 169,033.32, 233,017.47 and 128,676.78 is: 177,384.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,033.32 : 233,017.47 = 128,676.78 : x
  2. Step 2: Convert to fraction form
    169,033.32/233,017.47 = 128,676.78/x
  3. Step 3: Cross multiply
    169,033.32x = 233,017.47 × 128,676.78
  4. Step 4: Simplify right side
    169,033.32x = 29,983,937,723.35
  5. Step 5: Solve for x
    x = 29,983,937,723.35/169,033.32
  6. Step 6: Final answer
    x = 177,384.78

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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.