Home / 141,176.70-194,822.77-76,644.40

Finding the Fourth Proportional to 141,176.70, 194,822.77 and 76,644.40

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Solution

The fourth proportional to 141,176.70, 194,822.77 and 76,644.40 is: 105,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,176.70 : 194,822.77 = 76,644.40 : x
  2. Step 2: Convert to fraction form
    141,176.70/194,822.77 = 76,644.40/x
  3. Step 3: Cross multiply
    141,176.70x = 194,822.77 × 76,644.40
  4. Step 4: Simplify right side
    141,176.70x = 14,932,074,312.99
  5. Step 5: Solve for x
    x = 14,932,074,312.99/141,176.70
  6. Step 6: Final answer
    x = 105,768.69

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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.