Home / 189,916.35-284,929.88-56,806.98

Finding the Fourth Proportional to 189,916.35, 284,929.88 and 56,806.98

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Solution

The fourth proportional to 189,916.35, 284,929.88 and 56,806.98 is: 85,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,916.35 : 284,929.88 = 56,806.98 : x
  2. Step 2: Convert to fraction form
    189,916.35/284,929.88 = 56,806.98/x
  3. Step 3: Cross multiply
    189,916.35x = 284,929.88 × 56,806.98
  4. Step 4: Simplify right side
    189,916.35x = 16,186,006,805.22
  5. Step 5: Solve for x
    x = 16,186,006,805.22/189,916.35
  6. Step 6: Final answer
    x = 85,227.03

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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.