Home / 194,294.40-291,355.20-89,145.60

Finding the Fourth Proportional to 194,294.40, 291,355.20 and 89,145.60

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Solution

The fourth proportional to 194,294.40, 291,355.20 and 89,145.60 is: 133,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,294.40 : 291,355.20 = 89,145.60 : x
  2. Step 2: Convert to fraction form
    194,294.40/291,355.20 = 89,145.60/x
  3. Step 3: Cross multiply
    194,294.40x = 291,355.20 × 89,145.60
  4. Step 4: Simplify right side
    194,294.40x = 25,973,034,117.12
  5. Step 5: Solve for x
    x = 25,973,034,117.12/194,294.40
  6. Step 6: Final answer
    x = 133,678.76

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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.