Home / 133,271.82-183,915.27-76,694.22

Finding the Fourth Proportional to 133,271.82, 183,915.27 and 76,694.22

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Solution

The fourth proportional to 133,271.82, 183,915.27 and 76,694.22 is: 105,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,271.82 : 183,915.27 = 76,694.22 : x
  2. Step 2: Convert to fraction form
    133,271.82/183,915.27 = 76,694.22/x
  3. Step 3: Cross multiply
    133,271.82x = 183,915.27 × 76,694.22
  4. Step 4: Simplify right side
    133,271.82x = 14,105,238,178.74
  5. Step 5: Solve for x
    x = 14,105,238,178.74/133,271.82
  6. Step 6: Final answer
    x = 105,838.11

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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.