Home / 194,172.10-291,258.15-115,245.70

Finding the Fourth Proportional to 194,172.10, 291,258.15 and 115,245.70

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Solution

The fourth proportional to 194,172.10, 291,258.15 and 115,245.70 is: 172,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,172.10 : 291,258.15 = 115,245.70 : x
  2. Step 2: Convert to fraction form
    194,172.10/291,258.15 = 115,245.70/x
  3. Step 3: Cross multiply
    194,172.10x = 291,258.15 × 115,245.70
  4. Step 4: Simplify right side
    194,172.10x = 33,566,249,377.46
  5. Step 5: Solve for x
    x = 33,566,249,377.46/194,172.10
  6. Step 6: Final answer
    x = 172,868.55

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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.