Home / 194,916.94-268,985.30-105,492.94

Finding the Fourth Proportional to 194,916.94, 268,985.30 and 105,492.94

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Solution

The fourth proportional to 194,916.94, 268,985.30 and 105,492.94 is: 145,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,916.94 : 268,985.30 = 105,492.94 : x
  2. Step 2: Convert to fraction form
    194,916.94/268,985.30 = 105,492.94/x
  3. Step 3: Cross multiply
    194,916.94x = 268,985.30 × 105,492.94
  4. Step 4: Simplify right side
    194,916.94x = 28,376,050,113.78
  5. Step 5: Solve for x
    x = 28,376,050,113.78/194,916.94
  6. Step 6: Final answer
    x = 145,580.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.