Home / 194,631.40-291,947.10-172,858.60

Finding the Fourth Proportional to 194,631.40, 291,947.10 and 172,858.60

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Solution

The fourth proportional to 194,631.40, 291,947.10 and 172,858.60 is: 259,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,631.40 : 291,947.10 = 172,858.60 : x
  2. Step 2: Convert to fraction form
    194,631.40/291,947.10 = 172,858.60/x
  3. Step 3: Cross multiply
    194,631.40x = 291,947.10 × 172,858.60
  4. Step 4: Simplify right side
    194,631.40x = 50,465,566,980.06
  5. Step 5: Solve for x
    x = 50,465,566,980.06/194,631.40
  6. Step 6: Final answer
    x = 259,287.90

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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.