Home / 129,795.40-194,693.10-46,697.80

Finding the Fourth Proportional to 129,795.40, 194,693.10 and 46,697.80

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Solution

The fourth proportional to 129,795.40, 194,693.10 and 46,697.80 is: 70,046.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,795.40 : 194,693.10 = 46,697.80 : x
  2. Step 2: Convert to fraction form
    129,795.40/194,693.10 = 46,697.80/x
  3. Step 3: Cross multiply
    129,795.40x = 194,693.10 × 46,697.80
  4. Step 4: Simplify right side
    129,795.40x = 9,091,739,445.18
  5. Step 5: Solve for x
    x = 9,091,739,445.18/129,795.40
  6. Step 6: Final answer
    x = 70,046.70

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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.