Home / 129,736.79-194,590.69-34,976.40

Finding the Fourth Proportional to 129,736.79, 194,590.69 and 34,976.40

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Solution

The fourth proportional to 129,736.79, 194,590.69 and 34,976.40 is: 52,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,736.79 : 194,590.69 = 34,976.40 : x
  2. Step 2: Convert to fraction form
    129,736.79/194,590.69 = 34,976.40/x
  3. Step 3: Cross multiply
    129,736.79x = 194,590.69 × 34,976.40
  4. Step 4: Simplify right side
    129,736.79x = 6,806,081,809.72
  5. Step 5: Solve for x
    x = 6,806,081,809.72/129,736.79
  6. Step 6: Final answer
    x = 52,460.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.