Home / 194,534.40-291,801.60-111,436.80

Finding the Fourth Proportional to 194,534.40, 291,801.60 and 111,436.80

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Solution

The fourth proportional to 194,534.40, 291,801.60 and 111,436.80 is: 167,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,534.40 : 291,801.60 = 111,436.80 : x
  2. Step 2: Convert to fraction form
    194,534.40/291,801.60 = 111,436.80/x
  3. Step 3: Cross multiply
    194,534.40x = 291,801.60 × 111,436.80
  4. Step 4: Simplify right side
    194,534.40x = 32,517,436,538.88
  5. Step 5: Solve for x
    x = 32,517,436,538.88/194,534.40
  6. Step 6: Final answer
    x = 167,155.20

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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.