Home / 129,339.47-194,017.40-40,596.48

Finding the Fourth Proportional to 129,339.47, 194,017.40 and 40,596.48

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Solution

The fourth proportional to 129,339.47, 194,017.40 and 40,596.48 is: 60,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,339.47 : 194,017.40 = 40,596.48 : x
  2. Step 2: Convert to fraction form
    129,339.47/194,017.40 = 40,596.48/x
  3. Step 3: Cross multiply
    129,339.47x = 194,017.40 × 40,596.48
  4. Step 4: Simplify right side
    129,339.47x = 7,876,423,295.77
  5. Step 5: Solve for x
    x = 7,876,423,295.77/129,339.47
  6. Step 6: Final answer
    x = 60,897.29

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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.