Home / 194,124.69-291,257.10-67,783.55

Finding the Fourth Proportional to 194,124.69, 291,257.10 and 67,783.55

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Solution

The fourth proportional to 194,124.69, 291,257.10 and 67,783.55 is: 101,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,124.69 : 291,257.10 = 67,783.55 : x
  2. Step 2: Convert to fraction form
    194,124.69/291,257.10 = 67,783.55/x
  3. Step 3: Cross multiply
    194,124.69x = 291,257.10 × 67,783.55
  4. Step 4: Simplify right side
    194,124.69x = 19,742,439,861.79
  5. Step 5: Solve for x
    x = 19,742,439,861.79/194,124.69
  6. Step 6: Final answer
    x = 101,699.79

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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.