Home / 191,971.98-264,919.53-105,931.75

Finding the Fourth Proportional to 191,971.98, 264,919.53 and 105,931.75

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Solution

The fourth proportional to 191,971.98, 264,919.53 and 105,931.75 is: 146,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,971.98 : 264,919.53 = 105,931.75 : x
  2. Step 2: Convert to fraction form
    191,971.98/264,919.53 = 105,931.75/x
  3. Step 3: Cross multiply
    191,971.98x = 264,919.53 × 105,931.75
  4. Step 4: Simplify right side
    191,971.98x = 28,063,389,422.08
  5. Step 5: Solve for x
    x = 28,063,389,422.08/191,971.98
  6. Step 6: Final answer
    x = 146,184.82

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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.