Home / 129,333.40-194,008.26-40,590.40

Finding the Fourth Proportional to 129,333.40, 194,008.26 and 40,590.40

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Solution

The fourth proportional to 129,333.40, 194,008.26 and 40,590.40 is: 60,888.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,333.40 : 194,008.26 = 40,590.40 : x
  2. Step 2: Convert to fraction form
    129,333.40/194,008.26 = 40,590.40/x
  3. Step 3: Cross multiply
    129,333.40x = 194,008.26 × 40,590.40
  4. Step 4: Simplify right side
    129,333.40x = 7,874,872,876.70
  5. Step 5: Solve for x
    x = 7,874,872,876.70/129,333.40
  6. Step 6: Final answer
    x = 60,888.16

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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.