Home / 141,123.45-194,747.10-76,592.79

Finding the Fourth Proportional to 141,123.45, 194,747.10 and 76,592.79

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Solution

The fourth proportional to 141,123.45, 194,747.10 and 76,592.79 is: 105,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,123.45 : 194,747.10 = 76,592.79 : x
  2. Step 2: Convert to fraction form
    141,123.45/194,747.10 = 76,592.79/x
  3. Step 3: Cross multiply
    141,123.45x = 194,747.10 × 76,592.79
  4. Step 4: Simplify right side
    141,123.45x = 14,916,223,733.41
  5. Step 5: Solve for x
    x = 14,916,223,733.41/141,123.45
  6. Step 6: Final answer
    x = 105,696.28

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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.