Home / 191,981.66-264,941.98-107,115.26

Finding the Fourth Proportional to 191,981.66, 264,941.98 and 107,115.26

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Solution

The fourth proportional to 191,981.66, 264,941.98 and 107,115.26 is: 147,823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,981.66 : 264,941.98 = 107,115.26 : x
  2. Step 2: Convert to fraction form
    191,981.66/264,941.98 = 107,115.26/x
  3. Step 3: Cross multiply
    191,981.66x = 264,941.98 × 107,115.26
  4. Step 4: Simplify right side
    191,981.66x = 28,379,329,072.61
  5. Step 5: Solve for x
    x = 28,379,329,072.61/191,981.66
  6. Step 6: Final answer
    x = 147,823.13

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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.