Home / 131,425.94-181,178.98-93,634.58

Finding the Fourth Proportional to 131,425.94, 181,178.98 and 93,634.58

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Solution

The fourth proportional to 131,425.94, 181,178.98 and 93,634.58 is: 129,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,425.94 : 181,178.98 = 93,634.58 : x
  2. Step 2: Convert to fraction form
    131,425.94/181,178.98 = 93,634.58/x
  3. Step 3: Cross multiply
    131,425.94x = 181,178.98 × 93,634.58
  4. Step 4: Simplify right side
    131,425.94x = 16,964,617,915.99
  5. Step 5: Solve for x
    x = 16,964,617,915.99/131,425.94
  6. Step 6: Final answer
    x = 129,081.20

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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.