Home / 194,971.96-292,457.94-70,312.96

Finding the Fourth Proportional to 194,971.96, 292,457.94 and 70,312.96

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Solution

The fourth proportional to 194,971.96, 292,457.94 and 70,312.96 is: 105,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,971.96 : 292,457.94 = 70,312.96 : x
  2. Step 2: Convert to fraction form
    194,971.96/292,457.94 = 70,312.96/x
  3. Step 3: Cross multiply
    194,971.96x = 292,457.94 × 70,312.96
  4. Step 4: Simplify right side
    194,971.96x = 20,563,583,436.90
  5. Step 5: Solve for x
    x = 20,563,583,436.90/194,971.96
  6. Step 6: Final answer
    x = 105,469.44

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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.