Home / 194,330.70-291,496.05-115,404.30

Finding the Fourth Proportional to 194,330.70, 291,496.05 and 115,404.30

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Solution

The fourth proportional to 194,330.70, 291,496.05 and 115,404.30 is: 173,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,330.70 : 291,496.05 = 115,404.30 : x
  2. Step 2: Convert to fraction form
    194,330.70/291,496.05 = 115,404.30/x
  3. Step 3: Cross multiply
    194,330.70x = 291,496.05 × 115,404.30
  4. Step 4: Simplify right side
    194,330.70x = 33,639,897,603.02
  5. Step 5: Solve for x
    x = 33,639,897,603.02/194,330.70
  6. Step 6: Final answer
    x = 173,106.45

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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.