Home / 129,076.30-178,026.72-93,384.46

Finding the Fourth Proportional to 129,076.30, 178,026.72 and 93,384.46

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Solution

The fourth proportional to 129,076.30, 178,026.72 and 93,384.46 is: 128,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,076.30 : 178,026.72 = 93,384.46 : x
  2. Step 2: Convert to fraction form
    129,076.30/178,026.72 = 93,384.46/x
  3. Step 3: Cross multiply
    129,076.30x = 178,026.72 × 93,384.46
  4. Step 4: Simplify right side
    129,076.30x = 16,624,929,112.77
  5. Step 5: Solve for x
    x = 16,624,929,112.77/129,076.30
  6. Step 6: Final answer
    x = 128,799.24

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1.5x scale

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.